Declension table of ?sahasranayana

Masculine	Singular	Dual	Plural
Nominative	sahasranayanaḥ	sahasranayanau	sahasranayanāḥ
Vocative	sahasranayana	sahasranayanau	sahasranayanāḥ
Accusative	sahasranayanam	sahasranayanau	sahasranayanān
Instrumental	sahasranayanena	sahasranayanābhyām	sahasranayanaiḥ sahasranayanebhiḥ
Dative	sahasranayanāya	sahasranayanābhyām	sahasranayanebhyaḥ
Ablative	sahasranayanāt	sahasranayanābhyām	sahasranayanebhyaḥ
Genitive	sahasranayanasya	sahasranayanayoḥ	sahasranayanānām
Locative	sahasranayane	sahasranayanayoḥ	sahasranayaneṣu

Compound sahasranayana -

Adverb -sahasranayanam -sahasranayanāt