Declension table of ?amātva

Neuter	Singular	Dual	Plural
Nominative	amātvam	amātve	amātvāni
Vocative	amātva	amātve	amātvāni
Accusative	amātvam	amātve	amātvāni
Instrumental	amātvena	amātvābhyām	amātvaiḥ
Dative	amātvāya	amātvābhyām	amātvebhyaḥ
Ablative	amātvāt	amātvābhyām	amātvebhyaḥ
Genitive	amātvasya	amātvayoḥ	amātvānām
Locative	amātve	amātvayoḥ	amātveṣu

Compound amātva -

Adverb -amātvam -amātvāt