Declension table of ?sarūpatva

Neuter	Singular	Dual	Plural
Nominative	sarūpatvam	sarūpatve	sarūpatvāni
Vocative	sarūpatva	sarūpatve	sarūpatvāni
Accusative	sarūpatvam	sarūpatve	sarūpatvāni
Instrumental	sarūpatvena	sarūpatvābhyām	sarūpatvaiḥ
Dative	sarūpatvāya	sarūpatvābhyām	sarūpatvebhyaḥ
Ablative	sarūpatvāt	sarūpatvābhyām	sarūpatvebhyaḥ
Genitive	sarūpatvasya	sarūpatvayoḥ	sarūpatvānām
Locative	sarūpatve	sarūpatvayoḥ	sarūpatveṣu

Compound sarūpatva -

Adverb -sarūpatvam -sarūpatvāt