Chaffer or Chauffer: How To spell?

The word Chaffer is misspelled against Chauffer, a noun meaning "A table stove or small furnace, usually a cylindrical box of sheet iron, with a grate at the bottom, and an open top."

Word contains consecutive vowels 'AU' in between alphabets ch & ffer is misspelled as 'A' as letter 'U' is phonetically ignored
Wrong Spelling:  ch-a-ffer 
Correct Spelling:  ch-au-ffer 
Explore spell check of Chauffer to spell without errors.

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