Declension table of ?pevitavya

Neuter	Singular	Dual	Plural
Nominative	pevitavyam	pevitavye	pevitavyāni
Vocative	pevitavya	pevitavye	pevitavyāni
Accusative	pevitavyam	pevitavye	pevitavyāni
Instrumental	pevitavyena	pevitavyābhyām	pevitavyaiḥ
Dative	pevitavyāya	pevitavyābhyām	pevitavyebhyaḥ
Ablative	pevitavyāt	pevitavyābhyām	pevitavyebhyaḥ
Genitive	pevitavyasya	pevitavyayoḥ	pevitavyānām
Locative	pevitavye	pevitavyayoḥ	pevitavyeṣu

Compound pevitavya -

Adverb -pevitavyam -pevitavyāt