-in die
Studentin
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 Studentin
It's die Studentin. Studentin is feminine, plural die Studentinnen.
Sie ist Studentin in Berlin.
She is a student in Berlin.
Studentin
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