This is an answer to
this post from another thread.
Woods wrote:So can I think of -or as the common gender plural ending for two-syllable words ending in -a only? (with a few exceptions

Are there such rules as of when to use -er and -ar? (There are no more endings, are there?)
Yep. Also add those ending in the suffix -ska to this group:
en sjuksköterska - sjuksköterskan - sjuksköterskor - sjuksköterskorna.
And well, there is a rule for two-syllable common gender nouns ending in -e, but most that get -ar don't belong to this group. -ar is by far the most common plural suffix though, so when you don't know it's the safest bet

All common gender nouns that have an umlaut in plural get -er, for example
tand - tänder, hand - händer, and - änder... But then again, they're not the only ones, there's also
katt - katter and some more.
Common gender nouns that end in -are get no indefinite plural ending, but gets that -are turned into -arna in the definite:
en lärare - läraren - lärare - lärarna.
Common gender nouns that end in a vowel other than any aforementioned usually just get -r:
en video - videon - videor - videorna.
Neuter nouns that end in a consonant usually follow this pattern:
ett hus - huset - hus - husen.
If that consonant is -r you modify it some:
ett fönster - fönstret - fönster - fönstren.
Neuter nouns that end in a vowel usually follow this pattern:
ett täcke - täcket - täcken - täckena.
And then you've got
öga and
öra which have their very own thing:
ett öga - ögat - ögon - ögonen and
ett öra - örat - öron - öronen respectively.
These are the general rules anyway, most of them have a few exceptions, and I might have forgotten one or two on top of that. But still, it's not impossible to learn, all it takes is practice

Also, when studying vocabulary, make sure to learn both the gender and plural with the noun itself, it saves you a tremendous amount of effort later on.


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heritage language.