Declension table of ?siṣṇāsu

Masculine	Singular	Dual	Plural
Nominative	siṣṇāsuḥ	siṣṇāsū	siṣṇāsavaḥ
Vocative	siṣṇāso	siṣṇāsū	siṣṇāsavaḥ
Accusative	siṣṇāsum	siṣṇāsū	siṣṇāsūn
Instrumental	siṣṇāsunā	siṣṇāsubhyām	siṣṇāsubhiḥ
Dative	siṣṇāsave	siṣṇāsubhyām	siṣṇāsubhyaḥ
Ablative	siṣṇāsoḥ	siṣṇāsubhyām	siṣṇāsubhyaḥ
Genitive	siṣṇāsoḥ	siṣṇāsvoḥ	siṣṇāsūnām
Locative	siṣṇāsau	siṣṇāsvoḥ	siṣṇāsuṣu

Compound siṣṇāsu -

Adverb -siṣṇāsu