De or het onychofagie?

The correct Dutch article is:

de onychofagie

Meaning (Dutch) nagelbijten

How to use onychofagie

the onychofagiede onychofagie
this onychofagiedeze onychofagie
that onychofagiedie onychofagie
our onychofagieonze onychofagie
your onychofagiejouw onychofagie
every onychofagieelke onychofagie
which onychofagie?welke onychofagie?
a big onychofagie / the big onychofagieeen grote onychofagie, de grote onychofagie

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).