Declension table of ?retavya

Neuter	Singular	Dual	Plural
Nominative	retavyam	retavye	retavyāni
Vocative	retavya	retavye	retavyāni
Accusative	retavyam	retavye	retavyāni
Instrumental	retavyena	retavyābhyām	retavyaiḥ
Dative	retavyāya	retavyābhyām	retavyebhyaḥ
Ablative	retavyāt	retavyābhyām	retavyebhyaḥ
Genitive	retavyasya	retavyayoḥ	retavyānām
Locative	retavye	retavyayoḥ	retavyeṣu

Compound retavya -

Adverb -retavyam -retavyāt