Declension table of ?yatva

Neuter	Singular	Dual	Plural
Nominative	yatvam	yatve	yatvāni
Vocative	yatva	yatve	yatvāni
Accusative	yatvam	yatve	yatvāni
Instrumental	yatvena	yatvābhyām	yatvaiḥ
Dative	yatvāya	yatvābhyām	yatvebhyaḥ
Ablative	yatvāt	yatvābhyām	yatvebhyaḥ
Genitive	yatvasya	yatvayoḥ	yatvānām
Locative	yatve	yatvayoḥ	yatveṣu

Compound yatva -

Adverb -yatvam -yatvāt