Declension table of ?brahmaputrī

Feminine	Singular	Dual	Plural
Nominative	brahmaputrī	brahmaputryau	brahmaputryaḥ
Vocative	brahmaputri	brahmaputryau	brahmaputryaḥ
Accusative	brahmaputrīm	brahmaputryau	brahmaputrīḥ
Instrumental	brahmaputryā	brahmaputrībhyām	brahmaputrībhiḥ
Dative	brahmaputryai	brahmaputrībhyām	brahmaputrībhyaḥ
Ablative	brahmaputryāḥ	brahmaputrībhyām	brahmaputrībhyaḥ
Genitive	brahmaputryāḥ	brahmaputryoḥ	brahmaputrīṇām
Locative	brahmaputryām	brahmaputryoḥ	brahmaputrīṣu

Compound brahmaputri - brahmaputrī -

Adverb -brahmaputri