1. commissar an official of the Communist Party who was assigned to teach party principles to a military unit
  2. commissary a retail store that sells equipment and provisions
  3. compare examine and note the similarities or differences of
  4. cometary of or relating to or resembling a comet
  5. communism a theory favoring collectivism in a classless society
  6. comer someone who arrives (or has arrived)
  7. commissure a bundle of nerve fibers passing from one side to the other of the brain or spinal cord
  8. commerce transactions supplying goods and services
  9. come near move towards
  10. commiserate feel or express sympathy or compassion
  11. composer someone who writes music as a profession
  12. composure steadiness of mind under stress
  13. compeer a person who is of equal standing with another in a group
  14. come over communicate the intended meaning or impression
  15. comber a machine that separates and straightens the fibers of cotton or wool
  16. commuter someone who travels regularly to and from work
  17. commoner a person who holds no title
  18. Commerce the United States federal department that promotes and administers domestic and foreign trade (including management of the census and the patent office); created in 1913
  19. geometer a mathematician specializing in geometry
  20. compassion a deep awareness of and sympathy for another's suffering