Declension table of ?sautvana

Neuter	Singular	Dual	Plural
Nominative	sautvanam	sautvane	sautvanāni
Vocative	sautvana	sautvane	sautvanāni
Accusative	sautvanam	sautvane	sautvanāni
Instrumental	sautvanena	sautvanābhyām	sautvanaiḥ
Dative	sautvanāya	sautvanābhyām	sautvanebhyaḥ
Ablative	sautvanāt	sautvanābhyām	sautvanebhyaḥ
Genitive	sautvanasya	sautvanayoḥ	sautvanānām
Locative	sautvane	sautvanayoḥ	sautvaneṣu

Compound sautvana -

Adverb -sautvanam -sautvanāt