Declension table of ?mahāvratin

Masculine	Singular	Dual	Plural
Nominative	mahāvratī	mahāvratinau	mahāvratinaḥ
Vocative	mahāvratin	mahāvratinau	mahāvratinaḥ
Accusative	mahāvratinam	mahāvratinau	mahāvratinaḥ
Instrumental	mahāvratinā	mahāvratibhyām	mahāvratibhiḥ
Dative	mahāvratine	mahāvratibhyām	mahāvratibhyaḥ
Ablative	mahāvratinaḥ	mahāvratibhyām	mahāvratibhyaḥ
Genitive	mahāvratinaḥ	mahāvratinoḥ	mahāvratinām
Locative	mahāvratini	mahāvratinoḥ	mahāvratiṣu

Compound mahāvrati -

Adverb -mahāvrati