Declension table of ?mahākalyāṇaka

Neuter	Singular	Dual	Plural
Nominative	mahākalyāṇakam	mahākalyāṇake	mahākalyāṇakāni
Vocative	mahākalyāṇaka	mahākalyāṇake	mahākalyāṇakāni
Accusative	mahākalyāṇakam	mahākalyāṇake	mahākalyāṇakāni
Instrumental	mahākalyāṇakena	mahākalyāṇakābhyām	mahākalyāṇakaiḥ
Dative	mahākalyāṇakāya	mahākalyāṇakābhyām	mahākalyāṇakebhyaḥ
Ablative	mahākalyāṇakāt	mahākalyāṇakābhyām	mahākalyāṇakebhyaḥ
Genitive	mahākalyāṇakasya	mahākalyāṇakayoḥ	mahākalyāṇakānām
Locative	mahākalyāṇake	mahākalyāṇakayoḥ	mahākalyāṇakeṣu

Compound mahākalyāṇaka -

Adverb -mahākalyāṇakam -mahākalyāṇakāt