1. air hammer a hammer driven by compressed air
  2. armour protective covering made of metal and used in combat
  3. armor protective covering made of metal and used in combat
  4. water hammer the banging sound of steam in pipes
  5. warmer device that heats water or supplies warmth to a room
  6. ormer an abalone found near the Channel Islands
  7. grammar the branch of linguistics that deals with sentence structure
  8. armoire a large wardrobe or cabinet
  9. airmailer a mailer for airmail
  10. armory a structure where military equipment is stored
  11. jackhammer a hammer driven by compressed air
  12. armoury a military structure where arms and ammunition and other military equipment are stored and training is given in the use of arms
  13. Armeria shrubby or herbaceous low-growing evergreen perennials
  14. crammer a student who crams
  15. power hammer a power tool for drilling rocks
  16. rammer a tool for driving something with force
  17. triphammer a massive power hammer
  18. dreamer someone who is dreaming
  19. airfare the fare charged for traveling by airplane
  20. drummer someone who plays a drum

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