Declension table of ?nimittatva

Neuter	Singular	Dual	Plural
Nominative	nimittatvam	nimittatve	nimittatvāni
Vocative	nimittatva	nimittatve	nimittatvāni
Accusative	nimittatvam	nimittatve	nimittatvāni
Instrumental	nimittatvena	nimittatvābhyām	nimittatvaiḥ
Dative	nimittatvāya	nimittatvābhyām	nimittatvebhyaḥ
Ablative	nimittatvāt	nimittatvābhyām	nimittatvebhyaḥ
Genitive	nimittatvasya	nimittatvayoḥ	nimittatvānām
Locative	nimittatve	nimittatvayoḥ	nimittatveṣu

Compound nimittatva -

Adverb -nimittatvam -nimittatvāt