drivkrefter is the feminine plural indefinite of drivkraft.

drivkraftN

North Sámi

1ealljuN

2jođihanfápmuN

Norsk-nordsamisk ordbokdict-nob-sme/src/N_nobsme.xml:229161Edit on GitHub Suggest

Case	Sg	Pl
Indef	drivkraft	drivkrefter
Def	drivkraften / drivkrafta	drivkreftene