Declension table of ?nidānavat

Masculine	Singular	Dual	Plural
Nominative	nidānavān	nidānavantau	nidānavantaḥ
Vocative	nidānavan	nidānavantau	nidānavantaḥ
Accusative	nidānavantam	nidānavantau	nidānavataḥ
Instrumental	nidānavatā	nidānavadbhyām	nidānavadbhiḥ
Dative	nidānavate	nidānavadbhyām	nidānavadbhyaḥ
Ablative	nidānavataḥ	nidānavadbhyām	nidānavadbhyaḥ
Genitive	nidānavataḥ	nidānavatoḥ	nidānavatām
Locative	nidānavati	nidānavatoḥ	nidānavatsu

Compound nidānavat -

Adverb -nidānavantam