wing butt
compression rib
- columbites
- columbite-tantalite
- columbium
- columbo
- columbo (1968)
- columbo (1989)
- columbous
- columb's law
- columbus
- columbus academy of veterinary medicine
- columbus afb
- columbus afb united states
- columbus african american firefighters association
- columbus african violet society
- columbus aids task force
- columbus air force base
- columbus alternative high school
- columbus amateur radio club
- columbus-america discovery group
- columbus and franklin county public library
- columbus and greenville railway
- columbus apartment association
- columbus area boardgaming society
- columbus area labor management committee
- columbus area metropolitan planning organization