1. gram
2. gramme, gm, metric weight unit, weight unit, guanine
3. G, purine, deoxyguanosine monophosphate
4. G, nucleotide, thousand
5. one thousand, 1000, M, K, chiliad, G, grand, thou, yard, large integer, gee
6. g-force, force unit, gigabyte
7. G, GB, computer memory unit, gravitational constant
8. universal gravitational constant, constant of gravitation, G, constant, G
8. letter, letter of the alphabet, alphabetic character