Declension table of ?nirgandha

Neuter	Singular	Dual	Plural
Nominative	nirgandham	nirgandhe	nirgandhāni
Vocative	nirgandha	nirgandhe	nirgandhāni
Accusative	nirgandham	nirgandhe	nirgandhāni
Instrumental	nirgandhena	nirgandhābhyām	nirgandhaiḥ
Dative	nirgandhāya	nirgandhābhyām	nirgandhebhyaḥ
Ablative	nirgandhāt	nirgandhābhyām	nirgandhebhyaḥ
Genitive	nirgandhasya	nirgandhayoḥ	nirgandhānām
Locative	nirgandhe	nirgandhayoḥ	nirgandheṣu

Compound nirgandha -

Adverb -nirgandham -nirgandhāt