Declension table of ?pretavya

Masculine	Singular	Dual	Plural
Nominative	pretavyaḥ	pretavyau	pretavyāḥ
Vocative	pretavya	pretavyau	pretavyāḥ
Accusative	pretavyam	pretavyau	pretavyān
Instrumental	pretavyena	pretavyābhyām	pretavyaiḥ pretavyebhiḥ
Dative	pretavyāya	pretavyābhyām	pretavyebhyaḥ
Ablative	pretavyāt	pretavyābhyām	pretavyebhyaḥ
Genitive	pretavyasya	pretavyayoḥ	pretavyānām
Locative	pretavye	pretavyayoḥ	pretavyeṣu

Compound pretavya -

Adverb -pretavyam -pretavyāt