Declension table of sumantrin

Masculine	Singular	Dual	Plural
Nominative	sumantrī	sumantriṇau	sumantriṇaḥ
Vocative	sumantrin	sumantriṇau	sumantriṇaḥ
Accusative	sumantriṇam	sumantriṇau	sumantriṇaḥ
Instrumental	sumantriṇā	sumantribhyām	sumantribhiḥ
Dative	sumantriṇe	sumantribhyām	sumantribhyaḥ
Ablative	sumantriṇaḥ	sumantribhyām	sumantribhyaḥ
Genitive	sumantriṇaḥ	sumantriṇoḥ	sumantriṇām
Locative	sumantriṇi	sumantriṇoḥ	sumantriṣu

Compound sumantri -

Adverb -sumantri