Declension table of ?sumanāyana

Masculine	Singular	Dual	Plural
Nominative	sumanāyanaḥ	sumanāyanau	sumanāyanāḥ
Vocative	sumanāyana	sumanāyanau	sumanāyanāḥ
Accusative	sumanāyanam	sumanāyanau	sumanāyanān
Instrumental	sumanāyanena	sumanāyanābhyām	sumanāyanaiḥ sumanāyanebhiḥ
Dative	sumanāyanāya	sumanāyanābhyām	sumanāyanebhyaḥ
Ablative	sumanāyanāt	sumanāyanābhyām	sumanāyanebhyaḥ
Genitive	sumanāyanasya	sumanāyanayoḥ	sumanāyanānām
Locative	sumanāyane	sumanāyanayoḥ	sumanāyaneṣu

Compound sumanāyana -

Adverb -sumanāyanam -sumanāyanāt