Declension table of ?traptavya

Neuter	Singular	Dual	Plural
Nominative	traptavyam	traptavye	traptavyāni
Vocative	traptavya	traptavye	traptavyāni
Accusative	traptavyam	traptavye	traptavyāni
Instrumental	traptavyena	traptavyābhyām	traptavyaiḥ
Dative	traptavyāya	traptavyābhyām	traptavyebhyaḥ
Ablative	traptavyāt	traptavyābhyām	traptavyebhyaḥ
Genitive	traptavyasya	traptavyayoḥ	traptavyānām
Locative	traptavye	traptavyayoḥ	traptavyeṣu

Compound traptavya -

Adverb -traptavyam -traptavyāt