Is it de or het kast?

de kast

de-word

closet

/də kɑst/

Plural

de kasten

Why de

This one you just learn — no rule points to de here.

In a sentence

Mijn kleren liggen in de kast.

My clothes are in the closet.

More de-words

The de/het checker covers one word. The full platform covers vocabulary, grammar and all five DUO sections.