Declension table of ?sumantraka

Masculine	Singular	Dual	Plural
Nominative	sumantrakaḥ	sumantrakau	sumantrakāḥ
Vocative	sumantraka	sumantrakau	sumantrakāḥ
Accusative	sumantrakam	sumantrakau	sumantrakān
Instrumental	sumantrakeṇa	sumantrakābhyām	sumantrakaiḥ sumantrakebhiḥ
Dative	sumantrakāya	sumantrakābhyām	sumantrakebhyaḥ
Ablative	sumantrakāt	sumantrakābhyām	sumantrakebhyaḥ
Genitive	sumantrakasya	sumantrakayoḥ	sumantrakāṇām
Locative	sumantrake	sumantrakayoḥ	sumantrakeṣu

Compound sumantraka -

Adverb -sumantrakam -sumantrakāt