- roughing-grade
- roughing-machine
- roughish
- roughly
- roughmeter
- roughneck
- roughness
- roughness coefficient
- roughness factor
- roughness height
- roughness measurement
- roughness meter
- roughness scale
- roughness tester
- roughometer
- roughs
- roughshod
- roulade
- rouleau
- rouleaux
- rouleaux formation
- rouleauz
- roulette
- roumanian
- round
- round aggregate
- round angle
- round arch
- round bar
- round bars
- round blank
- round bracket
- round brackets
- round brush
- round buddle
- round cable
- round casing
- round charter
- round chisel
- round coal
- round corner
- round cure
- round dance
- round down
- round dozen
- round end
- round figure
- round figures
- round file
- round fish
- round gravel
- round groove
- round head
- round heart
- round key
- round knot
- round link
- round lot
- round number
- round numbers
- round nut
- round off
- round pelvis
- round pile
- round pipe
- round pliers
- round robin
- round sagger
- round sand
- round section
- round shake
- round shin
- round slot
- round specimen
- round steak
- round stock
- round sum
- round thread
- round timber
- round tone
- round trip
- round tripping
- round trunk
- round turn
- round voyage
- round wedge
- round window
- round wood
- round-celled
- round-eared
- round-edged
- round-eyed
- round-hole
- round-house
- round-meshed
- round-shouldered
- round-table
- round-up
- roundabout
- roundabout intersection