Declension table of ?svāyasa

Neuter	Singular	Dual	Plural
Nominative	svāyasam	svāyase	svāyasāni
Vocative	svāyasa	svāyase	svāyasāni
Accusative	svāyasam	svāyase	svāyasāni
Instrumental	svāyasena	svāyasābhyām	svāyasaiḥ
Dative	svāyasāya	svāyasābhyām	svāyasebhyaḥ
Ablative	svāyasāt	svāyasābhyām	svāyasebhyaḥ
Genitive	svāyasasya	svāyasayoḥ	svāyasānām
Locative	svāyase	svāyasayoḥ	svāyaseṣu

Compound svāyasa -

Adverb -svāyasam -svāyasāt