Declension table of amaratva

Neuter	Singular	Dual	Plural
Nominative	amaratvam	amaratve	amaratvāni
Vocative	amaratva	amaratve	amaratvāni
Accusative	amaratvam	amaratve	amaratvāni
Instrumental	amaratvena	amaratvābhyām	amaratvaiḥ
Dative	amaratvāya	amaratvābhyām	amaratvebhyaḥ
Ablative	amaratvāt	amaratvābhyām	amaratvebhyaḥ
Genitive	amaratvasya	amaratvayoḥ	amaratvānām
Locative	amaratve	amaratvayoḥ	amaratveṣu

Compound amaratva -

Adverb -amaratvam -amaratvāt