Declension table of ?phenāyitavya

Masculine	Singular	Dual	Plural
Nominative	phenāyitavyaḥ	phenāyitavyau	phenāyitavyāḥ
Vocative	phenāyitavya	phenāyitavyau	phenāyitavyāḥ
Accusative	phenāyitavyam	phenāyitavyau	phenāyitavyān
Instrumental	phenāyitavyena	phenāyitavyābhyām	phenāyitavyaiḥ phenāyitavyebhiḥ
Dative	phenāyitavyāya	phenāyitavyābhyām	phenāyitavyebhyaḥ
Ablative	phenāyitavyāt	phenāyitavyābhyām	phenāyitavyebhyaḥ
Genitive	phenāyitavyasya	phenāyitavyayoḥ	phenāyitavyānām
Locative	phenāyitavye	phenāyitavyayoḥ	phenāyitavyeṣu

Compound phenāyitavya -

Adverb -phenāyitavyam -phenāyitavyāt