Noun: Gabonese (singular and plural)
Adjective: Gabonese
Noun: Gambian(s)
Adjective: Gambian
Noun: Georgian(s)
Adjective: Georgian
Noun: German(s)
Adjective: German
Noun: Ghanaian(s)
Adjective: Ghanaian
Noun: Gibraltarian(s)
Adjective: Gibraltar
Noun: Greek(s)
Adjective: Greek
Noun: Greenlander(s)
Adjective: Greenlandic
Noun: Grenadian(s)
Adjective: Grenadian
Noun: Guamanian(s) (US citizens)
Adjective: Guamanian
Noun: Guatemalan(s)
Adjective: Guatemalan
Noun: Channel Islander(s)
Adjective: Channel Islander
Noun: Guinean(s)
Adjective: Guinean
Noun: Guinean(s)
Adjective: Guinean
Noun: Guyanese (singular and plural)
Adjective: Guyanese