Declension table of ?mananavat

Masculine	Singular	Dual	Plural
Nominative	mananavān	mananavantau	mananavantaḥ
Vocative	mananavan	mananavantau	mananavantaḥ
Accusative	mananavantam	mananavantau	mananavataḥ
Instrumental	mananavatā	mananavadbhyām	mananavadbhiḥ
Dative	mananavate	mananavadbhyām	mananavadbhyaḥ
Ablative	mananavataḥ	mananavadbhyām	mananavadbhyaḥ
Genitive	mananavataḥ	mananavatoḥ	mananavatām
Locative	mananavati	mananavatoḥ	mananavatsu

Compound mananavat -

Adverb -mananavantam