1. common nuisance a nuisance that unreasonably interferes with a right that is common to the general public
  2. communism a theory favoring collectivism in a classless society
  3. common sense sound practical judgment
  4. commonsense exhibiting native good judgment
  5. countenance the appearance conveyed by a person's face
  6. consonance a harmonious state of things and of their properties
  7. complaisance a tendency to try to please or yield to the will of others
  8. commensurate corresponding in size or degree or extent
  9. cognisance having knowledge of
  10. cognizance the state or act of having knowledge of
  11. command guidance a method of controlling the flight of a missile by commands originating from the ground or from another missile
  12. common noun a noun that denotes any or all members of a class
  13. nuisance anything that disturbs, endangers life, or is offensive
  14. omniscience the state or quality of having infinite knowledge
  15. maintenance activity involved in keeping something in good working order
  16. common kingsnake widespread in United States except northern regions
  17. common amsinckia annual of western United States with coiled spikes of yellow-orange coiled flowers
  18. reconnaissance the act of scouting, especially to gain information
  19. reminiscence a mental impression retained and recalled from the past
  20. commodiousness spatial largeness and extensiveness