Chafering or Chaffering: How To spell?

The word Chafering is misspelled against Chaffering, which is present continuous of "Chaffer"

Chaffering has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings Cha & ering which should not be misspelled with single 'F'
Wrong Spelling: Cha-f-ering
Correct Spelling: Cha-ff-ering
Find more wrongly spelled words of Chaffering to spell it well.