diff --git a/crates/ui-egui/src/grid/menus.rs b/crates/ui-egui/src/grid/menus.rs
index 575dac504..e9ee1a976 100644
--- a/crates/ui-egui/src/grid/menus.rs
+++ b/crates/ui-egui/src/grid/menus.rs
@@ -496,7 +496,7 @@ pub(super) fn header_menu(app: &mut SheetApp, ui: &mut egui::Ui, was_open: bool)
                     ("Copy", "edit.copy"),
                     ("Paste", "edit.paste"),
                     ("-", ""),
-                    ("Insert", "home.insertRows"),
+                    ("Header Menu|Insert", "home.insertRows"),
                     ("Delete", "home.deleteRows"),
                     ("Clear Contents", "edit.clearContents"),
                     ("-", ""),
@@ -513,7 +513,7 @@ pub(super) fn header_menu(app: &mut SheetApp, ui: &mut egui::Ui, was_open: bool)
                     ("Copy", "edit.copy"),
                     ("Paste", "edit.paste"),
                     ("-", ""),
-                    ("Insert", "home.insertColumns"),
+                    ("Header Menu|Insert", "home.insertColumns"),
                     ("Delete", "home.deleteColumns"),
                     ("Clear Contents", "edit.clearContents"),
                     ("-", ""),
diff --git a/crates/ui-egui/src/grid/tests.rs b/crates/ui-egui/src/grid/tests.rs
index 74abfc861..427c67629 100644
--- a/crates/ui-egui/src/grid/tests.rs
+++ b/crates/ui-egui/src/grid/tests.rs
@@ -180,6 +180,52 @@ fn filter_menu_uses_the_table_whose_header_was_clicked() {
     assert_eq!(filter_table_range(&sh, 1, 4), None);
 }
 
+/// The `("Label", "id")` keys written in `src`, without separators.
+fn menu_labels(src: &str) -> Vec<&str> {
+    src.split("(\"").skip(1).filter_map(|rest| rest.split_once("\", \"").map(|(label, _)| label)).filter(|label| *label != "-").collect()
+}
+
+/// The source of `menus.rs` from `start` to the first `end` after it.
+fn menu_source<'a>(src: &'a str, start: &str, end: &str) -> &'a str {
+    let from = src.find(start).unwrap_or_else(|| panic!("{start:?} not in menus.rs"));
+    let rest = &src[from..];
+    &rest[..rest.find(end).unwrap_or_else(|| panic!("{end:?} not after {start:?}"))]
+}
+
+/// German read "Einfügen" for Paste and "Einfügen…"/"Einfügen" for Insert in the same menu
+/// (#2874): no two items of the cell, row header or column header menu may read alike, ignoring
+/// case and a trailing ellipsis. The items are read from `menus.rs`, so new ones are checked too.
+#[test]
+fn german_context_menus_have_no_two_items_alike() {
+    use crate::i18n::Language;
+    let src = include_str!("menus.rs");
+    let cell = menu_labels(menu_source(src, "fn context_menu(", "let lang ="));
+    let (rows, columns) =
+        menu_source(src, "fn header_menu(", "let lang =").split_once("} else {").expect("header menu has a rows and a columns list");
+    let insert_copied = menu_labels(menu_source(src, "fn insert_copied_item(", "\n}"));
+    assert_eq!(insert_copied.len(), 3, "{insert_copied:?}");
+    for (menu, keys) in [("cell", cell), ("row header", menu_labels(rows)), ("column header", menu_labels(columns))] {
+        assert!(keys.contains(&"Paste") && keys.len() > 8, "{menu} menu not read from menus.rs: {keys:?}");
+        // A menu holds at most one Insert Copied/Cut Cells entry.
+        for extra in &insert_copied {
+            let mut seen: Vec<(String, &str)> = Vec::new();
+            for key in keys.iter().chain([extra]) {
+                let shown = Language::De.tr(key).trim_end_matches('…').trim().to_lowercase();
+                if let Some((_, other)) = seen.iter().find(|(text, _)| *text == shown) {
+                    panic!("German {menu} menu shows {key:?} and {other:?} both as {shown:?}");
+                }
+                seen.push((shown, key));
+            }
+        }
+    }
+    assert_eq!(Language::De.tr("Insert…"), "Zellen einfügen…");
+    assert_eq!(Language::De.tr("Header Menu|Insert"), "Zellen einfügen");
+    // Only German changed: the header menu's Insert reads as the plain Insert everywhere else.
+    for language in Language::ALL.into_iter().filter(|l| *l != Language::De) {
+        assert_eq!(language.tr("Header Menu|Insert"), language.tr("Insert"), "{}", language.code());
+    }
+}
+
 #[test]
 fn cell_text_y_moves_monotonically_in_standard_and_tall_rows() {
     let rect_std = Rect::from_min_max(pos2(0.0, 0.0), pos2(100.0, 20.0));
diff --git a/crates/ui-egui/src/i18n/cs.rs b/crates/ui-egui/src/i18n/cs.rs
index 58d308413..39e6337dd 100644
--- a/crates/ui-egui/src/i18n/cs.rs
+++ b/crates/ui-egui/src/i18n/cs.rs
@@ -57,6 +57,7 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "Format\nPane" => "Podokno\nformátu",
         "Format" => "Formát",
         "Insert" => "Vložit",
+        "Header Menu|Insert" => "Vložit",
         "Insert Cells…" => "Vložit buňky…",
         "Delete" => "Odstranit",
         "Delete Cells…" => "Odstranit buňky…",
diff --git a/crates/ui-egui/src/i18n/de.rs b/crates/ui-egui/src/i18n/de.rs
index 2e6ba713f..f136e483b 100644
--- a/crates/ui-egui/src/i18n/de.rs
+++ b/crates/ui-egui/src/i18n/de.rs
@@ -57,6 +57,7 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "Format\nPane" => "Format-\nbereich",
         "Format" => "Format",
         "Insert" => "Einfügen",
+        "Header Menu|Insert" => "Zellen einfügen",
         "Insert Cells…" => "Zellen einfügen…",
         "Delete" => "Löschen",
         "Select Data…" => "Daten auswählen…",
@@ -476,7 +477,7 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         // grid.rs cell and row/column header context menus.
         "Cut" => "Ausschneiden",
         "Copy" => "Kopieren",
-        "Insert…" => "Einfügen…",
+        "Insert…" => "Zellen einfügen…",
         "Delete…" => "Löschen…",
         "Filter by Selected Cell's Value" => "Nach Wert der gewählten Zelle filtern",
         "New Comment" => "Neuer Kommentar",
diff --git a/crates/ui-egui/src/i18n/el.rs b/crates/ui-egui/src/i18n/el.rs
index 218fa5a6f..dc57982c7 100644
--- a/crates/ui-egui/src/i18n/el.rs
+++ b/crates/ui-egui/src/i18n/el.rs
@@ -56,6 +56,7 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "Format\nPane" => "Παράθυρο\nμορφοποίησης",
         "Format" => "Μορφοποίηση",
         "Insert" => "Εισαγωγή",
+        "Header Menu|Insert" => "Εισαγωγή",
         "Insert Cells…" => "Εισαγωγή κελιών…",
         "Delete" => "Διαγραφή",
         "Delete Cells…" => "Διαγραφή κελιών…",
diff --git a/crates/ui-egui/src/i18n/es.rs b/crates/ui-egui/src/i18n/es.rs
index b6adcf774..3c15a16b1 100644
--- a/crates/ui-egui/src/i18n/es.rs
+++ b/crates/ui-egui/src/i18n/es.rs
@@ -60,6 +60,7 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "Format\nPane" => "Panel\nde formato",
         "Format" => "Formato",
         "Insert" => "Insertar",
+        "Header Menu|Insert" => "Insertar",
         "Insert Cells…" => "Insertar celdas…",
         "Delete" => "Eliminar",
         "Delete Cells…" => "Eliminar celdas…",
diff --git a/crates/ui-egui/src/i18n/fr.rs b/crates/ui-egui/src/i18n/fr.rs
index e11ef4599..3e95d4b72 100644
--- a/crates/ui-egui/src/i18n/fr.rs
+++ b/crates/ui-egui/src/i18n/fr.rs
@@ -67,6 +67,7 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "Format\nPane" => "Volet\nFormat",
         "Format" => "Format",
         "Insert" => "Insertion",
+        "Header Menu|Insert" => "Insertion",
         "Insert Cells…" => "Insérer des cellules…",
         "Delete" => "Supprimer",
         "Delete Cells…" => "Supprimer des cellules…",
diff --git a/crates/ui-egui/src/i18n/it.rs b/crates/ui-egui/src/i18n/it.rs
index 9a371e673..3ad0ff328 100644
--- a/crates/ui-egui/src/i18n/it.rs
+++ b/crates/ui-egui/src/i18n/it.rs
@@ -60,6 +60,7 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "Format\nPane" => "Riquadro\nFormato",
         "Format" => "Formato",
         "Insert" => "Inserisci",
+        "Header Menu|Insert" => "Inserisci",
         "Insert Cells…" => "Inserisci celle…",
         "Delete" => "Elimina",
         "Delete Cells…" => "Elimina celle…",
diff --git a/crates/ui-egui/src/i18n/ja.rs b/crates/ui-egui/src/i18n/ja.rs
index 47fd0e9f3..19fc85f02 100644
--- a/crates/ui-egui/src/i18n/ja.rs
+++ b/crates/ui-egui/src/i18n/ja.rs
@@ -64,6 +64,7 @@ pub(super) const CORE: &[(&str, &str)] = &[
     ("Format\nPane", "書式ウィンドウ"),
     ("Format", "書式"),
     ("Insert", "挿入"),
+    ("Header Menu|Insert", "挿入"),
     ("Insert Cells…", "セルの挿入…"),
     ("Delete", "削除"),
     ("Delete Cells…", "セルの削除…"),
diff --git a/crates/ui-egui/src/i18n/ko.rs b/crates/ui-egui/src/i18n/ko.rs
index 906dea54f..8c28be26e 100644
--- a/crates/ui-egui/src/i18n/ko.rs
+++ b/crates/ui-egui/src/i18n/ko.rs
@@ -62,6 +62,7 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "Format\nPane" => "서식\n창",
         "Format" => "서식",
         "Insert" => "삽입",
+        "Header Menu|Insert" => "삽입",
         "Insert Cells…" => "셀 삽입…",
         "Delete" => "삭제",
         "Delete Cells…" => "셀 삭제…",
diff --git a/crates/ui-egui/src/i18n/nl.rs b/crates/ui-egui/src/i18n/nl.rs
index b1d415211..b5cddb88d 100644
--- a/crates/ui-egui/src/i18n/nl.rs
+++ b/crates/ui-egui/src/i18n/nl.rs
@@ -61,6 +61,7 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "Format\nPane" => "Opmaak-\nvenster",
         "Format" => "Opmaak",
         "Insert" => "Invoegen",
+        "Header Menu|Insert" => "Invoegen",
         "Insert Cells…" => "Cellen invoegen…",
         "Delete" => "Verwijderen",
         "Delete Cells…" => "Cellen verwijderen…",
diff --git a/crates/ui-egui/src/i18n/pl.rs b/crates/ui-egui/src/i18n/pl.rs
index ad9c254c1..f2bfd72c7 100644
--- a/crates/ui-egui/src/i18n/pl.rs
+++ b/crates/ui-egui/src/i18n/pl.rs
@@ -56,6 +56,7 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "Format\nPane" => "Okienko\nformatowania",
         "Format" => "Formatuj",
         "Insert" => "Wstaw",
+        "Header Menu|Insert" => "Wstaw",
         "Insert Cells…" => "Wstaw komórki…",
         "Delete" => "Usuń",
         "Delete Cells…" => "Usuń komórki…",
diff --git a/crates/ui-egui/src/i18n/pt.rs b/crates/ui-egui/src/i18n/pt.rs
index f78ef4cf5..d525f027e 100644
--- a/crates/ui-egui/src/i18n/pt.rs
+++ b/crates/ui-egui/src/i18n/pt.rs
@@ -59,6 +59,7 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "Format\nPane" => "Painel de\nFormatação",
         "Format" => "Formatar",
         "Insert" => "Inserir",
+        "Header Menu|Insert" => "Inserir",
         "Insert Cells…" => "Inserir Células…",
         "Delete" => "Excluir",
         "Delete Cells…" => "Excluir Células…",
diff --git a/crates/ui-egui/src/i18n/ro.rs b/crates/ui-egui/src/i18n/ro.rs
index 738fc554f..66eb854b7 100644
--- a/crates/ui-egui/src/i18n/ro.rs
+++ b/crates/ui-egui/src/i18n/ro.rs
@@ -63,6 +63,7 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "Format\nPane" => "Panou\nformatare",
         "Format" => "Format",
         "Insert" => "Inserare",
+        "Header Menu|Insert" => "Inserare",
         "Insert Cells…" => "Inserare celule…",
         "Delete" => "Ștergere",
         "Delete Cells…" => "Ștergere celule…",
diff --git a/crates/ui-egui/src/i18n/ru.rs b/crates/ui-egui/src/i18n/ru.rs
index 60141a853..00a3062bd 100644
--- a/crates/ui-egui/src/i18n/ru.rs
+++ b/crates/ui-egui/src/i18n/ru.rs
@@ -62,6 +62,7 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "Format\nPane" => "Область\nформатирования",
         "Format" => "Формат",
         "Insert" => "Вставить",
+        "Header Menu|Insert" => "Вставить",
         "Insert Cells…" => "Вставить ячейки…",
         "Delete" => "Удалить",
         "Delete Cells…" => "Удалить ячейки…",
diff --git a/crates/ui-egui/src/i18n/sr.rs b/crates/ui-egui/src/i18n/sr.rs
index d02c66bb8..9254dc938 100644
--- a/crates/ui-egui/src/i18n/sr.rs
+++ b/crates/ui-egui/src/i18n/sr.rs
@@ -63,6 +63,7 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "Format\nPane" => "Okno za\noblikovanje",
         "Format" => "Oblikovanje",
         "Insert" => "Umetni",
+        "Header Menu|Insert" => "Umetni",
         "Insert Cells…" => "Umetni ćelije…",
         "Delete" => "Obriši",
         "Delete Cells…" => "Obriši ćelije…",
diff --git a/crates/ui-egui/src/i18n/tr.rs b/crates/ui-egui/src/i18n/tr.rs
index a58505848..c8da06cb1 100644
--- a/crates/ui-egui/src/i18n/tr.rs
+++ b/crates/ui-egui/src/i18n/tr.rs
@@ -59,6 +59,7 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "Format\nPane" => "Biçim\nBölmesi",
         "Format" => "Biçim",
         "Insert" => "Ekle",
+        "Header Menu|Insert" => "Ekle",
         "Insert Cells…" => "Hücre Ekle…",
         "Delete" => "Sil",
         "Delete Cells…" => "Hücreleri Sil…",
diff --git a/crates/ui-egui/src/i18n/uk.rs b/crates/ui-egui/src/i18n/uk.rs
index 96070eaaf..35fc9f0f7 100644
--- a/crates/ui-egui/src/i18n/uk.rs
+++ b/crates/ui-egui/src/i18n/uk.rs
@@ -58,6 +58,7 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "Format\nPane" => "Область\nформатування",
         "Format" => "Формат",
         "Insert" => "Вставити",
+        "Header Menu|Insert" => "Вставити",
         "Insert Cells…" => "Вставити комірки…",
         "Delete" => "Видалити",
         "Delete Cells…" => "Видалити комірки…",
diff --git a/crates/ui-egui/src/i18n/vi.rs b/crates/ui-egui/src/i18n/vi.rs
index 7a188a08e..8cb5a32ac 100644
--- a/crates/ui-egui/src/i18n/vi.rs
+++ b/crates/ui-egui/src/i18n/vi.rs
@@ -64,6 +64,7 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "Format\nPane" => "Ngăn\nđịnh dạng",
         "Format" => "Định dạng",
         "Insert" => "Chèn",
+        "Header Menu|Insert" => "Chèn",
         "Insert Cells…" => "Chèn ô…",
         "Delete" => "Xóa",
         "Delete Cells…" => "Xóa ô…",
diff --git a/crates/ui-egui/src/i18n/zh.rs b/crates/ui-egui/src/i18n/zh.rs
index 601e0a1bb..e71a0df3f 100644
--- a/crates/ui-egui/src/i18n/zh.rs
+++ b/crates/ui-egui/src/i18n/zh.rs
@@ -62,6 +62,7 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "Format\nPane" => "格式\n窗格",
         "Format" => "格式",
         "Insert" => "插入",
+        "Header Menu|Insert" => "插入",
         "Insert Cells…" => "插入单元格…",
         "Delete" => "删除",
         "Delete Cells…" => "删除单元格…",