-in die
Entwicklerin
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 Entwicklerin
It's die Entwicklerin. Entwicklerin is feminine, plural die Entwicklerinnen.
Sie ist Entwicklerin.
She is a developer.
Entwicklerin
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