Declension table of ?japtavya

Masculine	Singular	Dual	Plural
Nominative	japtavyaḥ	japtavyau	japtavyāḥ
Vocative	japtavya	japtavyau	japtavyāḥ
Accusative	japtavyam	japtavyau	japtavyān
Instrumental	japtavyena	japtavyābhyām	japtavyaiḥ japtavyebhiḥ
Dative	japtavyāya	japtavyābhyām	japtavyebhyaḥ
Ablative	japtavyāt	japtavyābhyām	japtavyebhyaḥ
Genitive	japtavyasya	japtavyayoḥ	japtavyānām
Locative	japtavye	japtavyayoḥ	japtavyeṣu

Compound japtavya -

Adverb -japtavyam -japtavyāt