Five plural endings. The word's last letter and en/ett pick it: flickor, bilar, studenter, äpplen, hus.
SwedishLevel A1–A2
en-word ending in -a: -or (flicka, flickor). ett-word ending in a vowel: -n (äpple, äpplen). ett-word ending in a consonant: no ending (hus, hus). Most other short en-words: -ar (bil, bilar). Loanwords and words stressed on the last syllable: -er (student, studenter).
Some common nouns change their vowel: man → män, bok → böcker, hand → händer. En-words for people ending in -are don't change: en lärare, två lärare.
Examples
Två flickor spelar fotboll.
Two girls are playing football.
Vi har tre bilar.
We have three cars.
Tio nya studenter började i dag.
Ten new students started today.
Jag köpte fem äpplen.
I bought five apples.
Det finns många gamla hus här.
There are lots of old houses here.
Hon har två barn.
She has two children.
Common mistake
Wrong: två husar. Right: två hus (ett-word, consonant: no ending). Wrong: fem äppler. Right: fem äpplen (ett-word, vowel: -n).