Declension table of ?mantharu

Masculine	Singular	Dual	Plural
Nominative	mantharuḥ	mantharū	mantharavaḥ
Vocative	mantharo	mantharū	mantharavaḥ
Accusative	mantharum	mantharū	mantharūn
Instrumental	mantharuṇā	mantharubhyām	mantharubhiḥ
Dative	mantharave	mantharubhyām	mantharubhyaḥ
Ablative	mantharoḥ	mantharubhyām	mantharubhyaḥ
Genitive	mantharoḥ	mantharvoḥ	mantharūṇām
Locative	mantharau	mantharvoḥ	mantharuṣu

Compound mantharu -

Adverb -mantharu