Declension table of bhayānaka

Neuter	Singular	Dual	Plural
Nominative	bhayānakam	bhayānake	bhayānakāni
Vocative	bhayānaka	bhayānake	bhayānakāni
Accusative	bhayānakam	bhayānake	bhayānakāni
Instrumental	bhayānakena	bhayānakābhyām	bhayānakaiḥ
Dative	bhayānakāya	bhayānakābhyām	bhayānakebhyaḥ
Ablative	bhayānakāt	bhayānakābhyām	bhayānakebhyaḥ
Genitive	bhayānakasya	bhayānakayoḥ	bhayānakānām
Locative	bhayānake	bhayānakayoḥ	bhayānakeṣu

Compound bhayānaka -

Adverb -bhayānakam -bhayānakāt