Declension table of ?sumāṣaka

Masculine	Singular	Dual	Plural
Nominative	sumāṣakaḥ	sumāṣakau	sumāṣakāḥ
Vocative	sumāṣaka	sumāṣakau	sumāṣakāḥ
Accusative	sumāṣakam	sumāṣakau	sumāṣakān
Instrumental	sumāṣakeṇa	sumāṣakābhyām	sumāṣakaiḥ sumāṣakebhiḥ
Dative	sumāṣakāya	sumāṣakābhyām	sumāṣakebhyaḥ
Ablative	sumāṣakāt	sumāṣakābhyām	sumāṣakebhyaḥ
Genitive	sumāṣakasya	sumāṣakayoḥ	sumāṣakāṇām
Locative	sumāṣake	sumāṣakayoḥ	sumāṣakeṣu

Compound sumāṣaka -

Adverb -sumāṣakam -sumāṣakāt