1	ērce	nominative case, singular	nominative case, singular
2	ērces	genitive case, singular	genitive case, singular
3	ērcei	dative case, singular	dative case, singular
4	ērci	accusative case, singular	accusative case, singular
5	ērci	instrumental case, singular	instrumental case, singular
6	ērce	locative case, singular	locative case, singular
7	ērce	vocative case, singular	vocative case, singular
8	ērces	nominative case, plural	nominative case, plural
9	ērcu	genitive case, plural	genitive case, plural
10	ērcem	dative case, plural	dative case, plural
11	ērces	accusative case, plural	accusative case, plural
12	ērcem	instrumental case, plural	instrumental case, plural
13	ērces	locative case, plural	locative case, plural
14	ērces	vocative case, plural	vocative case, plural