fostermora is the feminine singular definite of fostermor.

fostermorN

Kven

ruokkomuoriN

Norwegian Bokmål – Kvendict-nob-fkv/src/N_nobfkv.xml:62979Edit on GitHub Suggest

biebmoeadniN

Norsk-nordsamisk ordbokdict-nob-sme/src/N_nobsme.xml:60396Edit on GitHub Suggest

Case	Sg	Pl
Indef	fostermor	fostermødre
Def	fostermoren / fostermora	fostermødrene