Declension table of ?manthaparvata

Masculine	Singular	Dual	Plural
Nominative	manthaparvataḥ	manthaparvatau	manthaparvatāḥ
Vocative	manthaparvata	manthaparvatau	manthaparvatāḥ
Accusative	manthaparvatam	manthaparvatau	manthaparvatān
Instrumental	manthaparvatena	manthaparvatābhyām	manthaparvataiḥ manthaparvatebhiḥ
Dative	manthaparvatāya	manthaparvatābhyām	manthaparvatebhyaḥ
Ablative	manthaparvatāt	manthaparvatābhyām	manthaparvatebhyaḥ
Genitive	manthaparvatasya	manthaparvatayoḥ	manthaparvatānām
Locative	manthaparvate	manthaparvatayoḥ	manthaparvateṣu

Compound manthaparvata -

Adverb -manthaparvatam -manthaparvatāt