Declension table of ?amitatva

Neuter	Singular	Dual	Plural
Nominative	amitatvam	amitatve	amitatvāni
Vocative	amitatva	amitatve	amitatvāni
Accusative	amitatvam	amitatve	amitatvāni
Instrumental	amitatvena	amitatvābhyām	amitatvaiḥ
Dative	amitatvāya	amitatvābhyām	amitatvebhyaḥ
Ablative	amitatvāt	amitatvābhyām	amitatvebhyaḥ
Genitive	amitatvasya	amitatvayoḥ	amitatvānām
Locative	amitatve	amitatvayoḥ	amitatveṣu

Compound amitatva -

Adverb -amitatvam -amitatvāt