Declension table of mithuna

Neuter	Singular	Dual	Plural
Nominative	mithunam	mithune	mithunāni
Vocative	mithuna	mithune	mithunāni
Accusative	mithunam	mithune	mithunāni
Instrumental	mithunena	mithunābhyām	mithunaiḥ
Dative	mithunāya	mithunābhyām	mithunebhyaḥ
Ablative	mithunāt	mithunābhyām	mithunebhyaḥ
Genitive	mithunasya	mithunayoḥ	mithunānām
Locative	mithune	mithunayoḥ	mithuneṣu

Compound mithuna -

Adverb -mithunam -mithunāt