Is it de or het knie?

de knie

de-word

knee

/də kniː/

Plural

de knieën

Why de

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

In a sentence

Ik viel en bezeerde mijn knie.

I fell and hurt my knee.

More de-words

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