- geodetic azimuth
- geodetic instrument
- geodetic log
- geodetic party
- geodetic survey
- geographic line
- geologic crew
- geological characteristic
- geological era
- geological fault
- geological period
- geometer
- geometric construction
- geometrical data
- geometrical stairs
- geophone
- geophysical drilling
- Georgian architecture
- geotechnique
- geotectonics
- geothermic gradient
- gestation
- gesticulate
- gib
- gird system
- girder boom
- girder flanges
- glacial periods
- glacial weather
- gland packing
- glass factory
- glass fixing
- glass partition
- glass slates
- glass structures
- glass tiles
- glass-concrete
- glasswork
- glauconite sand
- glazed ceiling
- glazed panel
- glazed tile
- glazing bath
- glazing moulding
- glazing putty
- global
- glorious
- glow
- gold mine
- gold powder
- glue block
- glue joint
- glue line
- glue nailed
- glued assembly
- gold ruby
- glued joint
- glueing
- glueline
- glulam beam
- glulam column
- golden
- gneissic schist
- golden section
- golden string
- go-go
- goal
- goal seek
- goal-post
- gondola
- gob
- gong
- goniometric sight
- godsend
- goethite
- going
- going width
- grain structure
- grammar checker
- grammatic
- granary
- goods chute
- grandfather
- grandiose
- goods traffic
- goods yard
- goodwill
- gore
- gorge
- gorgerin
- gossan
- gossip columnist
- gossipy essay
- gothic
- Gothic arch
- Gothic architecture
- Gothic lettering
- gothic novel
- Gothic revival
- Gothic roof