Declension table of ?manmanatva

Neuter	Singular	Dual	Plural
Nominative	manmanatvam	manmanatve	manmanatvāni
Vocative	manmanatva	manmanatve	manmanatvāni
Accusative	manmanatvam	manmanatve	manmanatvāni
Instrumental	manmanatvena	manmanatvābhyām	manmanatvaiḥ
Dative	manmanatvāya	manmanatvābhyām	manmanatvebhyaḥ
Ablative	manmanatvāt	manmanatvābhyām	manmanatvebhyaḥ
Genitive	manmanatvasya	manmanatvayoḥ	manmanatvānām
Locative	manmanatve	manmanatvayoḥ	manmanatveṣu

Compound manmanatva -

Adverb -manmanatvam -manmanatvāt