coel- or coelo- (also N American cel- or celo-) /sēl- or sē-lō-/

Denoting a cavity, or hollow part

• trace-horse
• trace-horses
• traceless
• tracelessly
• tracer
• tracer bullet
• tracer bullets
• tracer element
• traceried
• traceries
• tracers
• tracer shell
• tracer shells
• tracery
• traces
• traceur
• traceurs
• trachea
• tracheae
• tracheal
• Trachearia
• trachearian
• trachearians
• trachearies
• tracheary