Declension table of ?nivīrya

Masculine	Singular	Dual	Plural
Nominative	nivīryaḥ	nivīryau	nivīryāḥ
Vocative	nivīrya	nivīryau	nivīryāḥ
Accusative	nivīryam	nivīryau	nivīryān
Instrumental	nivīryeṇa	nivīryābhyām	nivīryaiḥ nivīryebhiḥ
Dative	nivīryāya	nivīryābhyām	nivīryebhyaḥ
Ablative	nivīryāt	nivīryābhyām	nivīryebhyaḥ
Genitive	nivīryasya	nivīryayoḥ	nivīryāṇām
Locative	nivīrye	nivīryayoḥ	nivīryeṣu

Compound nivīrya -

Adverb -nivīryam -nivīryāt