Declension table of ?gomithuna

Masculine	Singular	Dual	Plural
Nominative	gomithunaḥ	gomithunau	gomithunāḥ
Vocative	gomithuna	gomithunau	gomithunāḥ
Accusative	gomithunam	gomithunau	gomithunān
Instrumental	gomithunena	gomithunābhyām	gomithunaiḥ gomithunebhiḥ
Dative	gomithunāya	gomithunābhyām	gomithunebhyaḥ
Ablative	gomithunāt	gomithunābhyām	gomithunebhyaḥ
Genitive	gomithunasya	gomithunayoḥ	gomithunānām
Locative	gomithune	gomithunayoḥ	gomithuneṣu

Compound gomithuna -

Adverb -gomithunam -gomithunāt