Declension table of ?nirvrata

Neuter	Singular	Dual	Plural
Nominative	nirvratam	nirvrate	nirvratāni
Vocative	nirvrata	nirvrate	nirvratāni
Accusative	nirvratam	nirvrate	nirvratāni
Instrumental	nirvratena	nirvratābhyām	nirvrataiḥ
Dative	nirvratāya	nirvratābhyām	nirvratebhyaḥ
Ablative	nirvratāt	nirvratābhyām	nirvratebhyaḥ
Genitive	nirvratasya	nirvratayoḥ	nirvratānām
Locative	nirvrate	nirvratayoḥ	nirvrateṣu

Compound nirvrata -

Adverb -nirvratam -nirvratāt