Declension table of ?dviśīrṣa

Masculine	Singular	Dual	Plural
Nominative	dviśīrṣaḥ	dviśīrṣau	dviśīrṣāḥ
Vocative	dviśīrṣa	dviśīrṣau	dviśīrṣāḥ
Accusative	dviśīrṣam	dviśīrṣau	dviśīrṣān
Instrumental	dviśīrṣeṇa	dviśīrṣābhyām	dviśīrṣaiḥ dviśīrṣebhiḥ
Dative	dviśīrṣāya	dviśīrṣābhyām	dviśīrṣebhyaḥ
Ablative	dviśīrṣāt	dviśīrṣābhyām	dviśīrṣebhyaḥ
Genitive	dviśīrṣasya	dviśīrṣayoḥ	dviśīrṣāṇām
Locative	dviśīrṣe	dviśīrṣayoḥ	dviśīrṣeṣu

Compound dviśīrṣa -

Adverb -dviśīrṣam -dviśīrṣāt