Declension table of ?sumanaka

Masculine	Singular	Dual	Plural
Nominative	sumanakaḥ	sumanakau	sumanakāḥ
Vocative	sumanaka	sumanakau	sumanakāḥ
Accusative	sumanakam	sumanakau	sumanakān
Instrumental	sumanakena	sumanakābhyām	sumanakaiḥ sumanakebhiḥ
Dative	sumanakāya	sumanakābhyām	sumanakebhyaḥ
Ablative	sumanakāt	sumanakābhyām	sumanakebhyaḥ
Genitive	sumanakasya	sumanakayoḥ	sumanakānām
Locative	sumanake	sumanakayoḥ	sumanakeṣu

Compound sumanaka -

Adverb -sumanakam -sumanakāt