Wight(a.) Swift; nimble; agile; strong and active.
Wight(n.) Weight.
Wight(n.) A whit; a bit; a jot.
Wight(n.) A supernatural being.
Wight(n.) A human being; a person, either male or female; -- now used chiefly in irony or burlesque, or in humorous language.
Wightly(adv.) Swiftly; nimbly; quickly.

Words within wightness