Declension table of ?mahātyāga

Neuter	Singular	Dual	Plural
Nominative	mahātyāgam	mahātyāge	mahātyāgāni
Vocative	mahātyāga	mahātyāge	mahātyāgāni
Accusative	mahātyāgam	mahātyāge	mahātyāgāni
Instrumental	mahātyāgena	mahātyāgābhyām	mahātyāgaiḥ
Dative	mahātyāgāya	mahātyāgābhyām	mahātyāgebhyaḥ
Ablative	mahātyāgāt	mahātyāgābhyām	mahātyāgebhyaḥ
Genitive	mahātyāgasya	mahātyāgayoḥ	mahātyāgānām
Locative	mahātyāge	mahātyāgayoḥ	mahātyāgeṣu

Compound mahātyāga -

Adverb -mahātyāgam -mahātyāgāt