Declension table of ?krantavya

Masculine	Singular	Dual	Plural
Nominative	krantavyaḥ	krantavyau	krantavyāḥ
Vocative	krantavya	krantavyau	krantavyāḥ
Accusative	krantavyam	krantavyau	krantavyān
Instrumental	krantavyena	krantavyābhyām	krantavyaiḥ krantavyebhiḥ
Dative	krantavyāya	krantavyābhyām	krantavyebhyaḥ
Ablative	krantavyāt	krantavyābhyām	krantavyebhyaḥ
Genitive	krantavyasya	krantavyayoḥ	krantavyānām
Locative	krantavye	krantavyayoḥ	krantavyeṣu

Compound krantavya -

Adverb -krantavyam -krantavyāt