Declension table of ?nighnamāna

Masculine	Singular	Dual	Plural
Nominative	nighnamānaḥ	nighnamānau	nighnamānāḥ
Vocative	nighnamāna	nighnamānau	nighnamānāḥ
Accusative	nighnamānam	nighnamānau	nighnamānān
Instrumental	nighnamānena	nighnamānābhyām	nighnamānaiḥ nighnamānebhiḥ
Dative	nighnamānāya	nighnamānābhyām	nighnamānebhyaḥ
Ablative	nighnamānāt	nighnamānābhyām	nighnamānebhyaḥ
Genitive	nighnamānasya	nighnamānayoḥ	nighnamānānām
Locative	nighnamāne	nighnamānayoḥ	nighnamāneṣu

Compound nighnamāna -

Adverb -nighnamānam -nighnamānāt