-in die
Kollegin
Always 99.4% of the 471 common nouns ending in -in take die.
Add -in to a man's job or nationality and you get a woman: der Lehrer, die Lehrerin. Always feminine.
Exceptions der Muffin
die Kollegin
It's die Kollegin. Kollegin is feminine, plural die Kolleginnen.
Meine Kollegin kommt aus Polen.
My colleague is from Poland.
Die Kollegin ist neu.
The colleague is new.
Kollegin
Always 99.4% of the 471 common nouns ending in -in take die.
Add -in to a man's job or nationality and you get a woman: der Lehrer, die Lehrerin. Always feminine.
Exceptions der Muffin