Declension table of ?yānāsana

Neuter	Singular	Dual	Plural
Nominative	yānāsanam	yānāsane	yānāsanāni
Vocative	yānāsana	yānāsane	yānāsanāni
Accusative	yānāsanam	yānāsane	yānāsanāni
Instrumental	yānāsanena	yānāsanābhyām	yānāsanaiḥ
Dative	yānāsanāya	yānāsanābhyām	yānāsanebhyaḥ
Ablative	yānāsanāt	yānāsanābhyām	yānāsanebhyaḥ
Genitive	yānāsanasya	yānāsanayoḥ	yānāsanānām
Locative	yānāsane	yānāsanayoḥ	yānāsaneṣu

Compound yānāsana -

Adverb -yānāsanam -yānāsanāt