- agate
- agent
- agog
- cage
- cogent
- cognac
- cognate
- conga
- congee
- cotangent
- cottage
- ecotage
- eggnog
- encage
- engage
- gaga
- gage
- gang
- gate
- gene
- gent
- geotag
- gnat
- goat
- goatee
- gone
- gong
- gonna
- goon
- gotta
- gotten
- negate
- nonagon
- octagon
- ogee
- tang
- tangent
- tango
- teenage
- toga
- tong
- tonnage