Nithiant, n. a purifying
Nithio, v. to winnow
Nithlen, n. winnowing sheet
Niw, n. what is violent
Niwed, n. harm, damage
Niweidiad, n. a hurting; a harming
Niweidio, v. to injure, to damage, to hurt
Niweidiol, a. hurtful, noxious
Niweidioldeb, n. noxiousness
Niwl, n. a mist, a fog