Declension table of sindhu

Masculine	Singular	Dual	Plural
Nominative	sindhuḥ	sindhū	sindhavaḥ
Vocative	sindho	sindhū	sindhavaḥ
Accusative	sindhum	sindhū	sindhūn
Instrumental	sindhunā	sindhubhyām	sindhubhiḥ
Dative	sindhave	sindhubhyām	sindhubhyaḥ
Ablative	sindhoḥ	sindhubhyām	sindhubhyaḥ
Genitive	sindhoḥ	sindhvoḥ	sindhūnām
Locative	sindhau	sindhvoḥ	sindhuṣu

Compound sindhu -

Adverb -sindhu