Declension table of ?nirapa

Neuter	Singular	Dual	Plural
Nominative	nirapam	nirape	nirapāṇi
Vocative	nirapa	nirape	nirapāṇi
Accusative	nirapam	nirape	nirapāṇi
Instrumental	nirapeṇa	nirapābhyām	nirapaiḥ
Dative	nirapāya	nirapābhyām	nirapebhyaḥ
Ablative	nirapāt	nirapābhyām	nirapebhyaḥ
Genitive	nirapasya	nirapayoḥ	nirapāṇām
Locative	nirape	nirapayoḥ	nirapeṣu

Compound nirapa -

Adverb -nirapam -nirapāt