| gentiluomo | gentleman |
| gentiluomo di corte | courtier |
| Gentingen | Gentingen |
| Gentle Giant | Gentle Giant |
| gentleman | gentleman |
| Gentliaco | Sexcentenary |
| Gentofte | Gentofte |
| Gentoo Linux | Gentoo Linux |
| genuflessione | genuflection |
| genuflettersi | genuflect |
| genuinamente | authentically |
| Genuine Progress Indicator | Genuine Progress Indicator |
| genuinità | authenticity |
| genuino | original |
| Genyodectes serus | Genyodectes |
| genziana | gentian |
| Gençay | Gençay |
| geo- | geo- |
| geocentrico | geocentric |
| geocentrismo | geocentrism |
| Geochelone carbonaria | Red-footed tortoise |
| Geochelone gigantea | Aldabra Giant Tortoise |
| Geochelone nigra | Galápagos tortoise |
| Geochelone pardalis | Leopard Tortoise |
| Geochelone radiata | Radiated tortoise |
| Geochelone sulcata | African Spurred Tortoise |
| Geochimica | Geochemistry |
| Geochimica isotopica | Isotope geochemistry |
| Geococcyx californianus | Greater Roadrunner |
| Geocorona | Geocorona |
| geode | geode |
| geodesia | geodesy |
| Geodesia astronomica | Astronomical geodesy |
| Geodesia spaziale | Space geodesy |
| geodeta | geodesist |
| geodetico | geodesic |
| Geoemydidae | Geoemydidae |
| Geoff Crammond | Geoff Crammond |
| Geoff Crossley | Geoff Crossley |
| Geoff Hurst | Geoff Hurst |
| Geoffrey Chaucer | Geoffrey Chaucer |
| Geoffrey Downes | Geoff Downes |
| Geoffrey Rush | Geoffrey Rush |
| geofisica | geophysics |
| geofisico | geophysical |
