Declension table of ?sauna

Masculine	Singular	Dual	Plural
Nominative	saunaḥ	saunau	saunāḥ
Vocative	sauna	saunau	saunāḥ
Accusative	saunam	saunau	saunān
Instrumental	saunena	saunābhyām	saunaiḥ saunebhiḥ
Dative	saunāya	saunābhyām	saunebhyaḥ
Ablative	saunāt	saunābhyām	saunebhyaḥ
Genitive	saunasya	saunayoḥ	saunānām
Locative	saune	saunayoḥ	sauneṣu

Compound sauna -

Adverb -saunam -saunāt