knivene is the masculine plural definite of kniv.

knivN

Kven

1veittiN

2puukkoN

Norwegian Bokmål – Kvendict-nob-fkv/src/N_nobfkv.xml:59392Edit on GitHub Suggest

niibiN

Norsk-nordsamisk ordbokdict-nob-sme/src/N_nobsme.xml:29817Edit on GitHub Suggest

Case	Sg	Pl
Indef	kniv	kniver
Def	kniven	knivene