grou - high
- guide wheel
- guide word
- guide [guiding] roller
- guide-roller flange
- guide-vane cover
- guideband
- guided drilling
- guided fault isolation
- guided hand cutting
- guided probe
- guided propagation
- guided radar
- guided radio
- guided search
- guided spark
- guided trajectory
- guided wave
- guided(-wave) mode
- guided(-wave) mode
- guided-float pressure accumulator
- guideline
- guideway
- guideway-transportation communication
- guiding
- guiding fiber
- guiding magnet
- guiding medium
- guiding radar
- guiding straightedge
- guiding [leading] dolphin
- guillotine
- guillotine cut
- guillotine cutter
- guillotine cutting machine
- guillotine shears
- guillotine-type knife
- Guinier camera
- Gulf magnetometer
- gull wing
- gull(e)y