Declension table of ?vihantavya

Neuter	Singular	Dual	Plural
Nominative	vihantavyam	vihantavye	vihantavyāni
Vocative	vihantavya	vihantavye	vihantavyāni
Accusative	vihantavyam	vihantavye	vihantavyāni
Instrumental	vihantavyena	vihantavyābhyām	vihantavyaiḥ
Dative	vihantavyāya	vihantavyābhyām	vihantavyebhyaḥ
Ablative	vihantavyāt	vihantavyābhyām	vihantavyebhyaḥ
Genitive	vihantavyasya	vihantavyayoḥ	vihantavyānām
Locative	vihantavye	vihantavyayoḥ	vihantavyeṣu

Compound vihantavya -

Adverb -vihantavyam -vihantavyāt