Geothermal
g
It usually means grams
Geology. Depends on what you mean. There are many. This is just an example.
The G major scale in the same on any instrument, G, A, B, C, D, E, F♯ and G.
E - Economics
No
Gas is a science word. Gravity is a science word.
Gases. grams
gas
gravity
No. There shouldn't be.
gunpowder
Gorgeous is a romantic word. It begins with G.
Grape
Going
grape
Gull, Gyp.