Declension table of ?sumāyaka

Masculine	Singular	Dual	Plural
Nominative	sumāyakaḥ	sumāyakau	sumāyakāḥ
Vocative	sumāyaka	sumāyakau	sumāyakāḥ
Accusative	sumāyakam	sumāyakau	sumāyakān
Instrumental	sumāyakena	sumāyakābhyām	sumāyakaiḥ sumāyakebhiḥ
Dative	sumāyakāya	sumāyakābhyām	sumāyakebhyaḥ
Ablative	sumāyakāt	sumāyakābhyām	sumāyakebhyaḥ
Genitive	sumāyakasya	sumāyakayoḥ	sumāyakānām
Locative	sumāyake	sumāyakayoḥ	sumāyakeṣu

Compound sumāyaka -

Adverb -sumāyakam -sumāyakāt