1. clog up become or cause to become obstructed
  2. clock up record a distance travelled; on planes and cars
  3. closeup a photograph or video that is zoomed in on its subject
  4. log up record a distance travelled; on planes and cars
  5. close up very close
  6. clogged stopped up
  7. cleanup the act of making something clean
  8. cloud up become covered with clouds
  9. clam up refuse to talk or stop talking; fall silent
  10. lookup an operation that determines whether one or more of a set of items has a specified property
  11. clap up make hastily and carelessly
  12. clog any object that acts as a hindrance or obstruction
  13. lockup jail in a local police station
  14. cloggy (used of soil) compact and fine-grained
  15. clomp walk clumsily
  16. clop the sound of a horse's hoofs hitting on a hard surface
  17. collogue confer secretly
  18. clean up put (things or places) in order
  19. clear up become clear
  20. cologne a perfumed liquid made of essential oils and alcohol

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