| gasometer | gassometro |
| Gasosaurus | Gasosaurus constructus |
| gasp | respiro affannoso |
| gasp for breath | ansimare |
| Gaspar Cassadó | Gaspar Cassadó |
| Gaspar de Portolà | Gaspar de Portola |
| Gaspar Melchor de Jovellanos | Gaspar Melchor de Jovellanos |
| Gaspar Sanz | Gaspar Sanz |
| Gaspar van Wittel | Gaspar Van Wittel |
| Gaspard Auguste Brullé | Gaspard Auguste Brullé |
| Gaspard Bauhin | Gaspard Bauhin |
| Gaspard de Coligny | Gaspard de Châtillon |
| Gaspard Le Roux | Gaspard Le Roux |
| Gaspard Monge | Gaspard Monge |
| Gaspard Ulliel | Gaspard Ulliel |
| Gaspard-Gustave Coriolis | Gaspard Gustave de Coriolis |
| Gasparo Contarini | Gasparo Contarini |
| Gasparo Gozzi | Gasparo Gozzi |
| gasping | ansante |
| gassy | gassoso |
| Gaston Bachelard | Gaston Bachelard |
| Gaston Doumergue | Gaston Doumergue |
| Gaston Julia | Gaston Julia |
| Gaston Leroux | Gaston Leroux |
| Gaston Maspero | Gaston Maspero |
| Gaston Rébuffat | Gaston Rébuffat |
| Gaston Thorn | Gaston Thorn |
| Gastornis | Gastornis |
| gastrectomy | gastrectomia |
| gastric | gastrico |
| gastric juice | succo gastrico |
| gastritis | gastrite |
| gastroduodenal | gastroduodenale |
| gastroenteritis | gastroenterite |
| Gastroesophageal reflux disease | Malattia da reflusso gastroesofageo |
| gastrointestinal | gastrointestinale |
| Gastrointestinal stromal tumor | Tumore stromale gastrointestinale |
| Gastrointestinal tract | Apparato gastrointestinale |
| gastronome | buongustaio |
| gastronomic | gastronomico |
| gastronomically | gastronomicamente |
| gastronomy | gastronomia |
| gastropod | gasteropodi |
| Gastropoda | Gastropoda |
| gastrotomy | gastrotomia |
| Gastrotrich | Gastrotricha |
| Gastrotricha | Gastrotricha |
| gastrovascular | gastrovascolare |
| gastrulation | gastrulazione |
| Gastón Gaudio | Gastón Gaudio |
| Gastón Mazzacane | Gastón Mazzacane |
| gaswork | impianto per la produzione di gas |
| gasworks | officina di produzione del gas |
| Gatchina | Gatčina |
| gate | barriera |
