Declension table of ?nirvāṇamastaka

Masculine	Singular	Dual	Plural
Nominative	nirvāṇamastakaḥ	nirvāṇamastakau	nirvāṇamastakāḥ
Vocative	nirvāṇamastaka	nirvāṇamastakau	nirvāṇamastakāḥ
Accusative	nirvāṇamastakam	nirvāṇamastakau	nirvāṇamastakān
Instrumental	nirvāṇamastakena	nirvāṇamastakābhyām	nirvāṇamastakaiḥ nirvāṇamastakebhiḥ
Dative	nirvāṇamastakāya	nirvāṇamastakābhyām	nirvāṇamastakebhyaḥ
Ablative	nirvāṇamastakāt	nirvāṇamastakābhyām	nirvāṇamastakebhyaḥ
Genitive	nirvāṇamastakasya	nirvāṇamastakayoḥ	nirvāṇamastakānām
Locative	nirvāṇamastake	nirvāṇamastakayoḥ	nirvāṇamastakeṣu

Compound nirvāṇamastaka -

Adverb -nirvāṇamastakam -nirvāṇamastakāt