In Hindi language, you choose your infection.

In English you have to use the correct preposition, in Estonian you choose your inflection.

Finnish has 16, Estonian 14. Though most inflections can be derived via suffixes from about 4 of them (3 singular, 1 plural), What's probably complicated is when to use the correct form.

Bro really said aperitif

Didn't realize the afsky guy was on ms

There goes my dream of wanting to learn a fourth language(?)

I guess I'm still to stuck in the Spanish three (Nominative, Dative and Accusative apparently) to know any better.