1	kopuška	nominative case, singular	nominative case, singular
2	kopuškas	genitive case, singular	genitive case, singular
3	kopuškai	dative case, singular	dative case, singular
4	kopušku	accusative case, singular	accusative case, singular
5	kopušku	instrumental case, singular	instrumental case, singular
6	kopuška	locative case, singular	locative case, singular
7	kopuška	vocative case, singular	vocative case, singular
8	kopuškas	nominative case, plural	nominative case, plural
9	kopušku	genitive case, plural	genitive case, plural
10	kopuškam	dative case, plural	dative case, plural
11	kopuškas	accusative case, plural	accusative case, plural
12	kopuškam	instrumental case, plural	instrumental case, plural
13	kopuškas	locative case, plural	locative case, plural
14	kopuškas	vocative case, plural	vocative case, plural