Declension table of ?taptavya

Masculine	Singular	Dual	Plural
Nominative	taptavyaḥ	taptavyau	taptavyāḥ
Vocative	taptavya	taptavyau	taptavyāḥ
Accusative	taptavyam	taptavyau	taptavyān
Instrumental	taptavyena	taptavyābhyām	taptavyaiḥ taptavyebhiḥ
Dative	taptavyāya	taptavyābhyām	taptavyebhyaḥ
Ablative	taptavyāt	taptavyābhyām	taptavyebhyaḥ
Genitive	taptavyasya	taptavyayoḥ	taptavyānām
Locative	taptavye	taptavyayoḥ	taptavyeṣu

Compound taptavya -

Adverb -taptavyam -taptavyāt