British English to American English: Letter G
Gallicise Gallicize
          Galvanise Galvanize
          Gangmaster =  
          Gaol Jail
          Garden  Yard
          Garrotte Garrote
          Gasolene Gasoline
          Gaiety Gayety
          Gauge  Gage
          Gazump =  
          Bearbox Transmission
          Gearing [finance] Leverage [finance]
          Gear lever Gearshift
          Gear stick Shiftstick
          Gelatine Gelatin 
          Generalisation Generalization
          Generalise Generalize
          Get, Got, Got Get, Got, Gotten
          Gift Voucher Gift Certificate
          Gipsy Gypsy
          Girl guide Girl scout
          Glamour  Glamour (also glamor)
          Glandular fever Infectious mononucleosis
        Glasshouse Greenhouse

          Glueing Gluing
          Glycerine Glycerin
          Goalkeeper Goaltender
          Go/Going (grey/stale) Stl. Turning (grey/stale) Stl. [rarely ‘go’]
          Goitre Goiter
          Gone missing Disappeared
          Gonorrhoea  Gonorrhea
          Goods  Freight
          Goods lift Freight elevator
          Goods train Freight train
          Goods truck  Freight truck
          Goods wagon Heavy railway freight car
          Goods yard Railway freight yard
          Goose pimples  Goose bumps
          Gospeller Gospeler
          Got (past participle) Gotten (past participle)
          Government (has/have) S/P Government (has) S/P
          Government Administration 
          Gradeable Gradable
          Graduand =  
          Graduate Alumnus
          Graeco- Greco-
          Gramme Gram
          Grandad Granddad
          Grannie Granny
          Granny flat =  
          Grazier =  
          Green Bean Stringbean
          Greengrocer =  
          Green paper =  
          Green pepper  Bell pepper
          Green fingers  Green thumb

          Grey  Gray
          Grill (verb)  Broil (v.)
          Gross Tonne Long ton
          Ground floor  First floor
          Gruelling Grueling
          Guerilla Guerrilla
          Guide dog Seeing Eye dog
          Gybe Jibe
          Gynaecology  Gynecology
Have I missed anything? Send in your American/British differences now.


