Declension table of ?siddhāntasindhu

Masculine	Singular	Dual	Plural
Nominative	siddhāntasindhuḥ	siddhāntasindhū	siddhāntasindhavaḥ
Vocative	siddhāntasindho	siddhāntasindhū	siddhāntasindhavaḥ
Accusative	siddhāntasindhum	siddhāntasindhū	siddhāntasindhūn
Instrumental	siddhāntasindhunā	siddhāntasindhubhyām	siddhāntasindhubhiḥ
Dative	siddhāntasindhave	siddhāntasindhubhyām	siddhāntasindhubhyaḥ
Ablative	siddhāntasindhoḥ	siddhāntasindhubhyām	siddhāntasindhubhyaḥ
Genitive	siddhāntasindhoḥ	siddhāntasindhvoḥ	siddhāntasindhūnām
Locative	siddhāntasindhau	siddhāntasindhvoḥ	siddhāntasindhuṣu

Compound siddhāntasindhu -

Adverb -siddhāntasindhu