Declension table of mithuna

Masculine	Singular	Dual	Plural
Nominative	mithunaḥ	mithunau	mithunāḥ
Vocative	mithuna	mithunau	mithunāḥ
Accusative	mithunam	mithunau	mithunān
Instrumental	mithunena	mithunābhyām	mithunaiḥ mithunebhiḥ
Dative	mithunāya	mithunābhyām	mithunebhyaḥ
Ablative	mithunāt	mithunābhyām	mithunebhyaḥ
Genitive	mithunasya	mithunayoḥ	mithunānām
Locative	mithune	mithunayoḥ	mithuneṣu

Compound mithuna -

Adverb -mithunam -mithunāt