Declension table of ?svāsana

Neuter	Singular	Dual	Plural
Nominative	svāsanam	svāsane	svāsanāni
Vocative	svāsana	svāsane	svāsanāni
Accusative	svāsanam	svāsane	svāsanāni
Instrumental	svāsanena	svāsanābhyām	svāsanaiḥ
Dative	svāsanāya	svāsanābhyām	svāsanebhyaḥ
Ablative	svāsanāt	svāsanābhyām	svāsanebhyaḥ
Genitive	svāsanasya	svāsanayoḥ	svāsanānām
Locative	svāsane	svāsanayoḥ	svāsaneṣu

Compound svāsana -

Adverb -svāsanam -svāsanāt