Plural Formation in Norwegian

In Brief

In Norwegian Bokmål, most nouns form the indefinite plural with -er: en bil → biler (“a car → cars”). A noun ending in unstressed -e normally drops that e before the ending: ei jente → jenter. Many short neuter nouns have no visible plural ending, as in et hus → hus, while some frequent nouns have irregular forms that must be learned individually.

Overview

A noun is a word for a person, place, thing, or idea, such as jente (“girl”), by (“city”), or spørsmål (“question”). Plural means more than one. Norwegian marks plural mainly by changing the end of the noun, although some nouns do not change and others change a vowel or use a less predictable form.

This is an A1 topic because plural nouns appear almost immediately in everyday speech: when buying to billetter (“two tickets”), talking about venner (“friends”), or describing mange hus (“many houses”). The most useful beginner rule is simple: expect -er, but learn a noun together with its gender and check whether a short neuter noun has a zero plural.

English speakers will recognize the basic idea of adding an ending, but Norwegian does not have one universal equivalent of English -s. Another important difference is that the indefinite article disappears in the plural: en bil becomes biler, not a form meaning “a cars.” Later, you also need the definite plural—the form used for “the cars,” “the girls,” and “the houses.”

How It Works

Start with the indefinite plural

The indefinite plural refers to plural things without the meaning “the”: biler can mean “cars” or, depending on context, “some cars.” The noun’s gender matters most clearly in the singular article—en, ei, or et—but gender alone does not predict every plural. These are the main beginner patterns in Bokmål.

Singular	Main pattern	Indefinite plural	Meaning
en bil	add -er	biler	a car → cars
en stol	add -er	stoler	a chair → chairs
ei/en jente	drop final unstressed -e, add -er	jenter	a girl → girls
ei/en kvinne	drop final unstressed -e, add -er	kvinner	a woman → women
et hus	zero ending	hus	a house → houses
et år	zero ending	år	a year → years

The notation ei/en jente reflects Bokmål’s flexibility: feminine nouns may take the feminine article ei, but they may also be treated as common-gender nouns with en. The plural jenter is the same either way.

The regular -er pattern

Most masculine and feminine nouns add -er. This is the safest first guess for an unfamiliar countable noun:

• en bil → biler — car → cars
• en dag → dager — day → days
• en venn → venner — friend → friends
• ei/en bok → bøker — book → books; common, but with a vowel change

When a noun already ends in an unstressed -e, Norwegian normally avoids -eer. The final e is replaced by the plural ending:

• jente → jenter, not jenteer
• kvinne → kvinner, not kvinneer
• uke → uker — week → weeks

It is often easier to think of these forms as “remove final -e, then add -er.” In writing, the visible result is usually simply -r after the singular stem as you first see it.

Zero plurals

A zero plural has no extra plural ending. This pattern is especially common with short, one-syllable neuter nouns:

Singular	Indefinite plural	Meaning
et hus	hus	house → houses
et rom	rom	room → rooms
et språk	språk	language → languages
et land	land	country → countries
et år	år	year → years
et barn	barn	child → children

Number words and context show whether these forms are singular or plural: ett hus is “one house,” while tre hus is “three houses.” Do not add -er merely because English changes the noun.

This is a strong pattern, not a complete rule for every neuter noun. Longer neuter nouns commonly take an ending: et eple → epler (“apple → apples”), et bilde → bilder (“picture → pictures”), and et problem → problemer (“problem → problems”). Learn the plural with the noun when the pattern is uncertain.

Nouns ending in -er

Some nouns naming people already end in -er. Many of these add only -e in the indefinite plural:

Singular	Indefinite plural	Meaning
en lærer	lærere	teacher → teachers
en arbeider	arbeidere	worker → workers
en leder	ledere	leader → leaders

This pattern prevents forms such as lærerer. It is useful, but not every word ending in the letters -er behaves identically, so a dictionary remains the best guide for unfamiliar nouns.

Common irregular plurals

An irregular plural does not follow the simple ending pattern. Several very common Norwegian nouns change their stem vowel. These are worth learning early because they occur often.

Singular	Indefinite plural	Meaning
en mann	menn	man → men
ei/en bok	bøker	book → books
en fot	føtter	foot → feet
ei/en hånd	hender	hand → hands
ei/en tann	tenner	tooth → teeth
et tre	trær	tree → trees

English also has vowel-changing pairs such as “man → men” and “foot → feet,” but the two languages do not always make the same nouns irregular. Treat the Norwegian plural as part of the word rather than translating an English pattern.

From indefinite to definite plural

Norwegian usually expresses English “the” by adding an ending to the noun. This is called the definite form (the form referring to a specific known person or thing). For most plural nouns, the ending is -ene:

Singular indefinite	Plural indefinite	Plural definite	Meaning
en bil	biler	bilene	a car; cars; the cars
ei/en jente	jenter	jentene	a girl; girls; the girls
et hus	hus	husene	a house; houses; the houses
en mann	menn	mennene	a man; men; the men
en lærer	lærere	lærerne	a teacher; teachers; the teachers

For a regular -er plural, the definite form can be understood practically as replacing the final -r with -ne: biler → bilene. Zero plurals attach -ene directly: hus → husene. Some forms contract, as in lærere → lærerne.

At A1, focus first on recognizing -er, zero plurals, and -ene. Exact definite forms of irregular nouns are best learned as a set: en mann – mannen – menn – mennene.

Examples in Context

Norwegian	English	Note
Vi har to biler.	We have two cars.	Regular -er plural
Jentene spiller fotball.	The girls are playing soccer.	Definite plural -ene
Jeg kjøper tre epler.	I am buying three apples.	Longer neuter noun with -er
De bor i gamle hus.	They live in old houses.	Zero plural after an adjective
Hotellet har femti rom.	The hotel has fifty rooms.	One-syllable neuter zero plural
Hun snakker flere språk.	She speaks several languages.	Zero plural after flere
Barna leker ute.	The children are playing outside.	Common definite plural barna
Det er mange mennesker her.	There are many people here.	Final -e drops before -er
To menn venter på bussen.	Two men are waiting for the bus.	Vowel-changing irregular plural
Bøkene ligger på bordet.	The books are on the table.	Irregular stem plus definite ending
Vi trenger dyktige lærere.	We need skilled teachers.	Person noun ending in -er
Jeg pusser tennene hver morgen.	I brush my teeth every morning.	Irregular and definite plural
Det finnes mange små øyer langs kysten.	There are many small islands along the coast.	øy → øyer
Disse problemene er vanskelige.	These problems are difficult.	Definite plural of problem

Notice that words around the noun often make number clear. Numerals such as to (“two”), quantity words such as mange (“many”), and plural adjectives such as gamle (“old”) all support a plural reading even when the noun itself does not change.

Common Mistakes

Adding -er to every noun

• Wrong: tre huser
• Right: tre hus
• Why: Short neuter nouns often have a zero plural. Hus is both the indefinite singular noun and the indefinite plural form.

Keeping the final -e before -er

• Wrong: to jenteer
• Right: to jenter
• Why: An unstressed final -e normally drops before the plural ending: jente → jenter.

Using a singular article with a plural noun

• Wrong: en biler
• Right: biler or noen biler
• Why: En, ei, and et mean “a/an” and belong with singular nouns. Use no article for a general indefinite plural, or use a quantity word such as noen (“some”).

Copying English irregularity—or regularity

• Wrong: to manner
• Right: to menn
• Why: Norwegian mann has the irregular plural menn. Conversely, an English irregular form does not guarantee a matching Norwegian irregularity; learn the Norwegian pair itself.

Confusing “cars” with “the cars”

• Wrong: Biler står utenfor when you mean specific cars already discussed.
• Right: Bilene står utenfor.
• Why: Biler means “cars”; bilene means “the cars.” Norwegian puts the definite marker on the end of the noun.

Guessing from gender alone

• Wrong: assuming every et noun has no ending
• Right: et hus → hus, but et eple → epler and et problem → problemer
• Why: The zero pattern is strongest among short neuter nouns. Gender helps, but the noun’s shape and individual pattern also matter.

Usage Notes

This article describes Bokmål, the written standard used by most learners. Spoken Norwegian varies greatly by region, and speakers may use local plural endings or pronunciations that differ from the written form. That variation is normal; for general writing, follow the Bokmål forms found in a current dictionary.

Feminine nouns allow variation in Bokmål. You may see ei jente – jenta or common-gender en jente – jenten, while the indefinite plural remains jenter. In natural modern usage, choices can depend on region, style, and the individual noun. Be consistent, but do not mistake the alternative form for a different plural rule.

After exact numbers greater than one, use the indefinite plural: to biler, fem jenter, hundre år. Quantity expressions also commonly take it: mange bøker (“many books”), få problemer (“few problems”), and flere språk (“several/more languages”). Some nouns are usually used as uncountable material or abstract nouns, so plural may be unusual unless you mean types or separate instances—much as in English.

Beyond the Basics / Advanced Use

You do not need to master all of this at A1, but several details explain forms you will meet later.

Some frequent nouns have more than one accepted definite plural. Barn is a zero plural, and both barna and barnene occur in Bokmål, with barna very common. Certain neuter nouns likewise permit variation between a zero plural and an ending in some standards or usages. A dictionary lists the accepted forms and is more reliable than extending one rule mechanically.

Definiteness becomes more complex when an adjective comes before the noun. Norwegian then normally uses “double definiteness”: a separate determiner plus a definite noun, as in de gamle husene (“the old houses”) and de nye bilene (“the new cars”). Compare indefinite gamle hus (“old houses”). This belongs to the wider system of adjective agreement and definiteness, but recognizing the noun ending already helps you parse the phrase.

Compound nouns take their plural marking on the final part because that part is the grammatical head (the main noun that tells you what kind of thing it is): en skolebok → skolebøker (“a schoolbook → schoolbooks”), based on bok → bøker. The first part normally stays unchanged.

Finally, plural choice can affect meaning. A word that is normally uncountable may take a plural when it refers to varieties or units. This is not simply a matter of attaching an ending; it depends on whether the speaker is treating the idea as countable. Learn such uses through complete phrases and real examples.

Practice Tips

1. Learn four forms as a compact set. For each useful noun, record singular indefinite, singular definite, plural indefinite, and plural definite: en bil – bilen – biler – bilene. For an irregular noun, write the whole set rather than only marking it “irregular.”
2. Sort nouns by pattern. Make small groups for regular -er, final -e, zero plural, person nouns in -er, and irregular vowel changes. Say a number phrase with each noun: to jenter, tre hus, fire menn.
3. Notice plural signals while reading. Underline numerals, mange, flere, plural adjective endings, and noun endings. This trains you to recognize plural even in zero forms such as gamle hus.

Related Concepts

• Prerequisite: Noun Gender (Three Genders) — learn why Norwegian nouns appear with en, ei, or et before building their singular and plural forms.