- Difference between gas and steam
- Difference between glossary and dictionary
- Difference between galaxy and universe
- Difference between gems and crystals
- Difference between galaxy and solar system
- Difference between geography and topography
- Difference between geography and demography
- Difference between gravity and magnetism
- Difference between glacier and iceberg
- Difference between greed and ambition
- Difference between Gibson and Martini
- Goblins, gnomes, elves, and leprechauns
- Difference between Gulf and Bay
- Difference between Greek and Latin
- Difference between God and Deity