Atempering or Attempering: How To spell?
The word Atempering is misspelled against Attempering, which is present continuous of "Attemper"
Attempering has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings a & empering which should not be misspelled with single 'T'
Wrong Spelling:  a-t-empering  Correct Spelling:  a-tt-empering 
Find more wrongly spelled words of Attempering to spell it well.