Declension table of ?nivapana

Neuter	Singular	Dual	Plural
Nominative	nivapanam	nivapane	nivapanāni
Vocative	nivapana	nivapane	nivapanāni
Accusative	nivapanam	nivapane	nivapanāni
Instrumental	nivapanena	nivapanābhyām	nivapanaiḥ
Dative	nivapanāya	nivapanābhyām	nivapanebhyaḥ
Ablative	nivapanāt	nivapanābhyām	nivapanebhyaḥ
Genitive	nivapanasya	nivapanayoḥ	nivapanānām
Locative	nivapane	nivapanayoḥ	nivapaneṣu

Compound nivapana -

Adverb -nivapanam -nivapanāt