koty
kote
kotowie
kocie
They often change to '-y' or '-e' depending on the consonant that precedes it.
They usually change to '-us'.
They change to '-a'.
They add an '-sz'."
-us
-i or -owie
-as
-ka
domy
doma
domów
domnie
Add an '-ie'.
They typically have the plural ending '-a'.
Change to '-isy'.
End in '-cz'."
książkowie
książki
książe
książkiły
Neuter nouns often change from '-o' to '-a' or '-e', depending on the word.
They change to '-ich'.
They become '-ule'.
They do not change form.
miasti
miastać
miastie
miasta
Masculine personal nouns often take '-owie' or '-i' in the plural.
They add '-us'.
They change to '-iły'.
They stay the same.
stoły
stołyli
stäły
stółie
Nouns add '-a'.
These nouns might take '-cie' or '-ci' in the plural, like 'rzecz' becoming 'rzeczy'.
No exception for such nouns.
They end in '-ły'.
pieski
psy
piesowie
ps
Both must agree in gender, number, and case, so they are both adjusted accordingly.
The adjective is unchanged.
Only the noun changes to plural.
They switch forms.
dzieciaki
dzieci
dzieckowie
dziecku
czasył
częsy
czasy
czasę