1	mugurkaulnieks	nominative case, singular	nominative case, singular
2	mugurkaulnieka	genitive case, singular	genitive case, singular
3	mugurkaulniekam	dative case, singular	dative case, singular
4	mugurkaulnieku	accusative case, singular	accusative case, singular
5	mugurkaulnieku	instrumental case, singular	instrumental case, singular
6	mugurkaulnieka	locative case, singular	locative case, singular
7	mugurkaulnieks	vocative case, singular	vocative case, singular
8	mugurkaulnieki	nominative case, plural	nominative case, plural
9	mugurkaulnieku	genitive case, plural	genitive case, plural
10	mugurkaulniekiem	dative case, plural	dative case, plural
11	mugurkaulniekus	accusative case, plural	accusative case, plural
12	mugurkaulniekiem	instrumental case, plural	instrumental case, plural
13	mugurkaulniekos	locative case, plural	locative case, plural
14	mugurkaulnieki	vocative case, plural	vocative case, plural