Declension table of ?nirmathya

Neuter	Singular	Dual	Plural
Nominative	nirmathyam	nirmathye	nirmathyāni
Vocative	nirmathya	nirmathye	nirmathyāni
Accusative	nirmathyam	nirmathye	nirmathyāni
Instrumental	nirmathyena	nirmathyābhyām	nirmathyaiḥ
Dative	nirmathyāya	nirmathyābhyām	nirmathyebhyaḥ
Ablative	nirmathyāt	nirmathyābhyām	nirmathyebhyaḥ
Genitive	nirmathyasya	nirmathyayoḥ	nirmathyānām
Locative	nirmathye	nirmathyayoḥ	nirmathyeṣu

Compound nirmathya -

Adverb -nirmathyam -nirmathyāt