Declension table of ?tāttvikatva

Neuter	Singular	Dual	Plural
Nominative	tāttvikatvam	tāttvikatve	tāttvikatvāni
Vocative	tāttvikatva	tāttvikatve	tāttvikatvāni
Accusative	tāttvikatvam	tāttvikatve	tāttvikatvāni
Instrumental	tāttvikatvena	tāttvikatvābhyām	tāttvikatvaiḥ
Dative	tāttvikatvāya	tāttvikatvābhyām	tāttvikatvebhyaḥ
Ablative	tāttvikatvāt	tāttvikatvābhyām	tāttvikatvebhyaḥ
Genitive	tāttvikatvasya	tāttvikatvayoḥ	tāttvikatvānām
Locative	tāttvikatve	tāttvikatvayoḥ	tāttvikatveṣu

Compound tāttvikatva -

Adverb -tāttvikatvam -tāttvikatvāt