Declension table of ?svāyasa

Masculine	Singular	Dual	Plural
Nominative	svāyasaḥ	svāyasau	svāyasāḥ
Vocative	svāyasa	svāyasau	svāyasāḥ
Accusative	svāyasam	svāyasau	svāyasān
Instrumental	svāyasena	svāyasābhyām	svāyasaiḥ svāyasebhiḥ
Dative	svāyasāya	svāyasābhyām	svāyasebhyaḥ
Ablative	svāyasāt	svāyasābhyām	svāyasebhyaḥ
Genitive	svāyasasya	svāyasayoḥ	svāyasānām
Locative	svāyase	svāyasayoḥ	svāyaseṣu

Compound svāyasa -

Adverb -svāyasam -svāyasāt