KEY: Projection.
SYN: Protuberance, prominence, convexity, propulsion, emission.
ANT: Recess, cavity, concavity, return, indentation, hollow,attraction, recoil, rebound, ricochet, reaction.

• Communication, [See INTERCOURSE]
• Communion
• Community
• Commute
• Compact_\adj
• Compact
• Companion
• Companionable
• Companionship
• Company
• Comparable
• Comparative
• Compare
• Comparison, [See LIKENESS]
• Compartment
• Compassion
• Compassionate, [See KIND]
• Compass
• Compass \v
• Compatible
• Compeer
• Compel
• Compendious
• Compendium, [See ABRIDGEMENT]
• Compensate