Declension table of ?simātva

Neuter	Singular	Dual	Plural
Nominative	simātvam	simātve	simātvāni
Vocative	simātva	simātve	simātvāni
Accusative	simātvam	simātve	simātvāni
Instrumental	simātvena	simātvābhyām	simātvaiḥ
Dative	simātvāya	simātvābhyām	simātvebhyaḥ
Ablative	simātvāt	simātvābhyām	simātvebhyaḥ
Genitive	simātvasya	simātvayoḥ	simātvānām
Locative	simātve	simātvayoḥ	simātveṣu

Compound simātva -

Adverb -simātvam -simātvāt