Atemper or Attemper: How To spell?
The word Atemper is misspelled against Attemper, a verb meaning "To accommodate; to make suitable; to adapt."
Attemper has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings a & emper which should not be misspelled with single 'T'
Wrong Spelling:  a-t-emper  Correct Spelling:  a-tt-emper 
Explore spell check of Attemper to spell without errors.