Atemperation or Attemperation: How To spell?
The word Atemperation is misspelled against Attemperation, a noun meaning "The act of attempering or regulating."
Attemperation has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings a & emperation which should not be misspelled with single 'T'
Wrong Spelling:  a-t-emperation  Correct Spelling:  a-tt-emperation 
Find more incorrect spellings of Attemperation to spell right way.