Declension table of mahātapas

Masculine	Singular	Dual	Plural
Nominative	mahātapāḥ	mahātapasau	mahātapasaḥ
Vocative	mahātapaḥ	mahātapasau	mahātapasaḥ
Accusative	mahātapasam	mahātapasau	mahātapasaḥ
Instrumental	mahātapasā	mahātapobhyām	mahātapobhiḥ
Dative	mahātapase	mahātapobhyām	mahātapobhyaḥ
Ablative	mahātapasaḥ	mahātapobhyām	mahātapobhyaḥ
Genitive	mahātapasaḥ	mahātapasoḥ	mahātapasām
Locative	mahātapasi	mahātapasoḥ	mahātapaḥsu

Compound mahātapas -