Declension table of ?siṣmivas

Masculine	Singular	Dual	Plural
Nominative	siṣmivān	siṣmivāṃsau	siṣmivāṃsaḥ
Vocative	siṣmivan	siṣmivāṃsau	siṣmivāṃsaḥ
Accusative	siṣmivāṃsam	siṣmivāṃsau	siṣmuṣaḥ
Instrumental	siṣmuṣā	siṣmivadbhyām	siṣmivadbhiḥ
Dative	siṣmuṣe	siṣmivadbhyām	siṣmivadbhyaḥ
Ablative	siṣmuṣaḥ	siṣmivadbhyām	siṣmivadbhyaḥ
Genitive	siṣmuṣaḥ	siṣmuṣoḥ	siṣmuṣām
Locative	siṣmuṣi	siṣmuṣoḥ	siṣmivatsu

Compound siṣmivat -

Adverb -siṣmivas