1. go all out perform a task as well as possible
  2. call out utter aloud; often with surprise, horror, or joy
  3. call-out a challenge to a fight or duel
  4. galoot a foolish or clumsy person
  5. cull out select desirable parts from a group or list
  6. clout (boxing) a blow with the fist
  7. colloid a mixture with properties between those of a solution and fine suspension
  8. gullet the passage between the pharynx and the stomach
  9. glut supply with an excess of
  10. collate assemble in proper sequence
  11. galled painful from having the skin abraded
  12. collet a cone-shaped chuck used for holding cylindrical pieces in a lathe
  13. call at enter a harbor
  14. collide crash together with violent impact
  15. collude act in unison and in secret towards a deceitful purpose
  16. gallant having or displaying great dignity or nobility
  17. callous emotionally hardened
  18. cloud a visible mass of water or ice particles suspended at a considerable altitude
  19. gold a soft yellow malleable ductile metallic element
  20. goliath someone or something that is abnormally large and powerful