Declension table of ?śiśivas

Masculine	Singular	Dual	Plural
Nominative	śiśivān	śiśivāṃsau	śiśivāṃsaḥ
Vocative	śiśivan	śiśivāṃsau	śiśivāṃsaḥ
Accusative	śiśivāṃsam	śiśivāṃsau	śiśuṣaḥ
Instrumental	śiśuṣā	śiśivadbhyām	śiśivadbhiḥ
Dative	śiśuṣe	śiśivadbhyām	śiśivadbhyaḥ
Ablative	śiśuṣaḥ	śiśivadbhyām	śiśivadbhyaḥ
Genitive	śiśuṣaḥ	śiśuṣoḥ	śiśuṣām
Locative	śiśuṣi	śiśuṣoḥ	śiśivatsu

Compound śiśivat -

Adverb -śiśivas