Declension table of ?svairastha

Neuter	Singular	Dual	Plural
Nominative	svairastham	svairasthe	svairasthāni
Vocative	svairastha	svairasthe	svairasthāni
Accusative	svairastham	svairasthe	svairasthāni
Instrumental	svairasthena	svairasthābhyām	svairasthaiḥ
Dative	svairasthāya	svairasthābhyām	svairasthebhyaḥ
Ablative	svairasthāt	svairasthābhyām	svairasthebhyaḥ
Genitive	svairasthasya	svairasthayoḥ	svairasthānām
Locative	svairasthe	svairasthayoḥ	svairastheṣu

Compound svairastha -

Adverb -svairastham -svairasthāt