Chafern or Chaffern: How To spell?
The word Chafern is misspelled against Chaffern, a verb meaning "A vessel for heating water."
Chaffern has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings Cha & ern which should not be misspelled with single 'F'
Wrong Spelling:  Cha-f-ern  Correct Spelling:  Cha-ff-ern 
Explore spell check of Chaffern to spell without errors.