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.

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