Atempter or Attempter: How To spell?
The word Atempter is misspelled against Attempter, a noun meaning "An assailant; also, a temper."
Attempter has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings a & empter which should not be misspelled with single 'T'
Wrong Spelling:  a-t-empter  Correct Spelling:  a-tt-empter 
Explore spell check of Attempter to spell without errors.