Glad, glorious, grateful...that's I'll I can think of.
Check the dictionary. =]
Grief, gratitude, guilt, and greed are emotions that begin with the letter G.
Jealousy
terror?
ragged
As examples of sad emotions starting with a are aggrieved or anguished
RageRegretRemorseradiant
Love
quiet
irritated, ignored
Countries that start with the letter "G"GabonGeorgiaGermanyGhanaGreeceGrenadaGuatemalaGuineaGuyana
Grits and gravy start with G.
Some emotions that start with M are mad, mean, morbid, and maudlin.Mad