Declension table of ?pretavya

Neuter	Singular	Dual	Plural
Nominative	pretavyam	pretavye	pretavyāni
Vocative	pretavya	pretavye	pretavyāni
Accusative	pretavyam	pretavye	pretavyāni
Instrumental	pretavyena	pretavyābhyām	pretavyaiḥ
Dative	pretavyāya	pretavyābhyām	pretavyebhyaḥ
Ablative	pretavyāt	pretavyābhyām	pretavyebhyaḥ
Genitive	pretavyasya	pretavyayoḥ	pretavyānām
Locative	pretavye	pretavyayoḥ	pretavyeṣu

Compound pretavya -

Adverb -pretavyam -pretavyāt