Declension table of ?siṣṇihvas

Masculine	Singular	Dual	Plural
Nominative	siṣṇihvān	siṣṇihvāṃsau	siṣṇihvāṃsaḥ
Vocative	siṣṇihvan	siṣṇihvāṃsau	siṣṇihvāṃsaḥ
Accusative	siṣṇihvāṃsam	siṣṇihvāṃsau	siṣṇihuṣaḥ
Instrumental	siṣṇihuṣā	siṣṇihvadbhyām	siṣṇihvadbhiḥ
Dative	siṣṇihuṣe	siṣṇihvadbhyām	siṣṇihvadbhyaḥ
Ablative	siṣṇihuṣaḥ	siṣṇihvadbhyām	siṣṇihvadbhyaḥ
Genitive	siṣṇihuṣaḥ	siṣṇihuṣoḥ	siṣṇihuṣām
Locative	siṣṇihuṣi	siṣṇihuṣoḥ	siṣṇihvatsu

Compound siṣṇihvat -

Adverb -siṣṇihvas