What are the regular Norwegian plural endings?

Most nouns add -er for the indefinite plural and -ene for the definite plural, so bil becomes biler and bilene. Nouns ending in -e just add -r and -ne, as in jente, jenter, jentene.

Why do some neuter nouns have no plural ending?

Monosyllabic neuter nouns take no ending in the indefinite plural: et hus stays hus. The definite plural still adds -ene (husene). Polysyllabic neuters like eple do take -er, giving epler.

What is the difference between two-gender and three-gender Bokmål?

Three-gender Bokmål distinguishes masculine, feminine and neuter, using the article ei for feminine nouns. Two-gender Bokmål merges masculine and feminine into a common gender with en. The plural endings are largely the same, so both options are offered.

Does it handle irregular nouns?

Yes, for a built-in set of common irregulars such as mann→menn, bok→bøker and fot→føtter. When you enter one of these, the tool returns the irregular forms and flags them rather than applying the regular rule.

Norwegian Plural Helper

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This helper applies the regular Norwegian Bokmål plural rules and flags the common irregular nouns, covering both the formal three-gender system and the simpler two-gender system.

How it works

Given a singular noun and its gender, the tool decides the plural endings:

Masculine, feminine and common nouns take -er indefinite and -ene definite (bil → biler → bilene). A final -e just adds -r/-ne (jente → jenter → jentene).
Monosyllabic neuter nouns take no indefinite ending (hus → hus) but still add -ene in the definite (husene).
Polysyllabic neuters behave like the regular pattern (eple → epler → eplene).
A built-in irregular list overrides all of the above for nouns like mann → menn and bok → bøker.

Tips and notes

Norwegian gender controls the article, not usually the plural ending, which is why most genders share the -er/-ene pattern. The main exception is the neuter, where a single syllable means no indefinite plural ending — a rule learners often miss. Always check irregular nouns, since common everyday words (mann, bok, fot, hånd, natt) do not follow the regular pattern.