ei lue · woolly hat, beanie
Feminine (ei)
Indefinite singular
ei lue
Definite singular
lua
Indefinite plural
luer
Definite plural
luene
Feminine nouns (ei) can always be written with en as well: ei bok, boka or en bok, boken. Both are correct Bokmål.
How to guess the gender Nouns: gender and articles