Declension table of ?dviśīrṣaka

Neuter	Singular	Dual	Plural
Nominative	dviśīrṣakam	dviśīrṣake	dviśīrṣakāṇi
Vocative	dviśīrṣaka	dviśīrṣake	dviśīrṣakāṇi
Accusative	dviśīrṣakam	dviśīrṣake	dviśīrṣakāṇi
Instrumental	dviśīrṣakeṇa	dviśīrṣakābhyām	dviśīrṣakaiḥ
Dative	dviśīrṣakāya	dviśīrṣakābhyām	dviśīrṣakebhyaḥ
Ablative	dviśīrṣakāt	dviśīrṣakābhyām	dviśīrṣakebhyaḥ
Genitive	dviśīrṣakasya	dviśīrṣakayoḥ	dviśīrṣakāṇām
Locative	dviśīrṣake	dviśīrṣakayoḥ	dviśīrṣakeṣu

Compound dviśīrṣaka -

Adverb -dviśīrṣakam -dviśīrṣakāt