Declension table of ?nirnāśin

Neuter	Singular	Dual	Plural
Nominative	nirnāśi	nirnāśinī	nirnāśīni
Vocative	nirnāśin nirnāśi	nirnāśinī	nirnāśīni
Accusative	nirnāśi	nirnāśinī	nirnāśīni
Instrumental	nirnāśinā	nirnāśibhyām	nirnāśibhiḥ
Dative	nirnāśine	nirnāśibhyām	nirnāśibhyaḥ
Ablative	nirnāśinaḥ	nirnāśibhyām	nirnāśibhyaḥ
Genitive	nirnāśinaḥ	nirnāśinoḥ	nirnāśinām
Locative	nirnāśini	nirnāśinoḥ	nirnāśiṣu

Compound nirnāśi -

Adverb -nirnāśi