(Greek: good)

(Latin: good, well)

(Latin: good)

(Greek: good, well, normal; happy, pleasing; used as a prefix)

(Latin: upright, good, honest; to try, to test, to examine; to demonstrate)

(having a "bird brain" may be a good thing, after all)

(Greek: devil, demon [evil spirit]; an intermediary spirit between gods and men which could be good or evil)

(Latin: food; good to eat, eatable, edible)

(Latin: good will or support; to show kindness to; to be inclined toward good will, to befriend)

(Greek > Latin: cheerful, gay, joyful, good spirits)

(Trying to find solutions to two life-robbing diseases: Alzheimer's and Parkinson's)

(Latin: joke, joking, jesting, humorous; cheerful and full of good humor)

(Latin: foreboding; anything perceived or happening that is believed to portend or to suggest that something is going to happen which may be a good or an evil event or circumstance in the future)

(Latin: the best, most favorable, most desirable; exceptionally good)

(Latin: to clap, to strike, to beat; to clap the hands in approbation [recognition as good], to approve)

(a system that protects everyone who can afford to hire a good lawyer)

(only thing that keeps your credit card in good standing)

(the science of the living world; including the good and the bad)

(Latin: greeting, good health; welfare, health)