Declension table of ?jyāyastva

Neuter	Singular	Dual	Plural
Nominative	jyāyastvam	jyāyastve	jyāyastvāni
Vocative	jyāyastva	jyāyastve	jyāyastvāni
Accusative	jyāyastvam	jyāyastve	jyāyastvāni
Instrumental	jyāyastvena	jyāyastvābhyām	jyāyastvaiḥ
Dative	jyāyastvāya	jyāyastvābhyām	jyāyastvebhyaḥ
Ablative	jyāyastvāt	jyāyastvābhyām	jyāyastvebhyaḥ
Genitive	jyāyastvasya	jyāyastvayoḥ	jyāyastvānām
Locative	jyāyastve	jyāyastvayoḥ	jyāyastveṣu

Compound jyāyastva -

Adverb -jyāyastvam -jyāyastvāt