Declension table of ?śiśvivas

Masculine	Singular	Dual	Plural
Nominative	śiśvivān	śiśvivāṃsau	śiśvivāṃsaḥ
Vocative	śiśvivan	śiśvivāṃsau	śiśvivāṃsaḥ
Accusative	śiśvivāṃsam	śiśvivāṃsau	śiśvuṣaḥ
Instrumental	śiśvuṣā	śiśvivadbhyām	śiśvivadbhiḥ
Dative	śiśvuṣe	śiśvivadbhyām	śiśvivadbhyaḥ
Ablative	śiśvuṣaḥ	śiśvivadbhyām	śiśvivadbhyaḥ
Genitive	śiśvuṣaḥ	śiśvuṣoḥ	śiśvuṣām
Locative	śiśvuṣi	śiśvuṣoḥ	śiśvivatsu

Compound śiśvivat -

Adverb -śiśvivas