Declension table of ?vimithuna

Masculine	Singular	Dual	Plural
Nominative	vimithunaḥ	vimithunau	vimithunāḥ
Vocative	vimithuna	vimithunau	vimithunāḥ
Accusative	vimithunam	vimithunau	vimithunān
Instrumental	vimithunena	vimithunābhyām	vimithunaiḥ vimithunebhiḥ
Dative	vimithunāya	vimithunābhyām	vimithunebhyaḥ
Ablative	vimithunāt	vimithunābhyām	vimithunebhyaḥ
Genitive	vimithunasya	vimithunayoḥ	vimithunānām
Locative	vimithune	vimithunayoḥ	vimithuneṣu

Compound vimithuna -

Adverb -vimithunam -vimithunāt