Declension table of ?īyivas

Masculine	Singular	Dual	Plural
Nominative	īyivān	īyivāṃsau	īyivāṃsaḥ
Vocative	īyivan	īyivāṃsau	īyivāṃsaḥ
Accusative	īyivāṃsam	īyivāṃsau	īyuṣaḥ
Instrumental	īyuṣā	īyivadbhyām	īyivadbhiḥ
Dative	īyuṣe	īyivadbhyām	īyivadbhyaḥ
Ablative	īyuṣaḥ	īyivadbhyām	īyivadbhyaḥ
Genitive	īyuṣaḥ	īyuṣoḥ	īyuṣām
Locative	īyuṣi	īyuṣoḥ	īyivatsu

Compound īyivat -

Adverb -īyivas