Brechblock or Breechblock: How To spell?
The word Brechblock is misspelled against Breechblock, a noun meaning "The movable piece which closes the breech of a breech-loading firearm, and resists the backward force of the discharge. It is withdrawn for the insertion of a cartridge, and closed again before the gun is fired."
Breechblock has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings Br & chblock which should not be misspelled with single 'E'
Wrong Spelling:  Br-e-chblock  Correct Spelling:  Br-ee-chblock 
Find more incorrect spellings of Breechblock to spell right way.