Why is it die Investigation?
Investigation ends in -ion, and almost all nouns ending in -ion are feminine: in a German dictionary, 94% of them take die.
All nouns ending in -ion die
Meaning
Examples
[1] The investigations are unfortunately unsuccessful
[1] Die Investigationen sind leider ohne Erfolg geblieben.
Declension
| 1 | Singular | Plural |
|---|---|---|
| Nominativ | die Investigation | die Investigationen |
| Genitiv | der Investigation | der Investigationen |
| Dativ | der Investigation | den Investigationen |
| Akkusativ | die Investigation | die Investigationen |
Pronunciation
Dictionary entries include material from Wiktionary. Wiktionary