ei lønn · salary, wage
Feminine (ei)
Indefinite singular
ei lønn
Definite singular
lønna
Indefinite plural
lønner
Definite plural
lønnene
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