Declension table of ?nirbhugna

Masculine	Singular	Dual	Plural
Nominative	nirbhugnaḥ	nirbhugnau	nirbhugnāḥ
Vocative	nirbhugna	nirbhugnau	nirbhugnāḥ
Accusative	nirbhugnam	nirbhugnau	nirbhugnān
Instrumental	nirbhugnena	nirbhugnābhyām	nirbhugnaiḥ nirbhugnebhiḥ
Dative	nirbhugnāya	nirbhugnābhyām	nirbhugnebhyaḥ
Ablative	nirbhugnāt	nirbhugnābhyām	nirbhugnebhyaḥ
Genitive	nirbhugnasya	nirbhugnayoḥ	nirbhugnānām
Locative	nirbhugne	nirbhugnayoḥ	nirbhugneṣu

Compound nirbhugna -

Adverb -nirbhugnam -nirbhugnāt