Declension table of mahāpralaya

Masculine	Singular	Dual	Plural
Nominative	mahāpralayaḥ	mahāpralayau	mahāpralayāḥ
Vocative	mahāpralaya	mahāpralayau	mahāpralayāḥ
Accusative	mahāpralayam	mahāpralayau	mahāpralayān
Instrumental	mahāpralayena	mahāpralayābhyām	mahāpralayaiḥ mahāpralayebhiḥ
Dative	mahāpralayāya	mahāpralayābhyām	mahāpralayebhyaḥ
Ablative	mahāpralayāt	mahāpralayābhyām	mahāpralayebhyaḥ
Genitive	mahāpralayasya	mahāpralayayoḥ	mahāpralayānām
Locative	mahāpralaye	mahāpralayayoḥ	mahāpralayeṣu

Compound mahāpralaya -

Adverb -mahāpralayam -mahāpralayāt