Declension table of sādhu

Masculine	Singular	Dual	Plural
Nominative	sādhuḥ	sādhū	sādhavaḥ
Vocative	sādho	sādhū	sādhavaḥ
Accusative	sādhum	sādhū	sādhūn
Instrumental	sādhunā	sādhubhyām	sādhubhiḥ
Dative	sādhave	sādhubhyām	sādhubhyaḥ
Ablative	sādhoḥ	sādhubhyām	sādhubhyaḥ
Genitive	sādhoḥ	sādhvoḥ	sādhūnām
Locative	sādhau	sādhvoḥ	sādhuṣu

Compound sādhu -

Adverb -sādhu