Declension table of ?arṇasa

Masculine	Singular	Dual	Plural
Nominative	arṇasaḥ	arṇasau	arṇasāḥ
Vocative	arṇasa	arṇasau	arṇasāḥ
Accusative	arṇasam	arṇasau	arṇasān
Instrumental	arṇasena	arṇasābhyām	arṇasaiḥ arṇasebhiḥ
Dative	arṇasāya	arṇasābhyām	arṇasebhyaḥ
Ablative	arṇasāt	arṇasābhyām	arṇasebhyaḥ
Genitive	arṇasasya	arṇasayoḥ	arṇasānām
Locative	arṇase	arṇasayoḥ	arṇaseṣu

Compound arṇasa -

Adverb -arṇasam -arṇasāt