Afine or Affine: How To spell?
The word Afine is misspelled against Affine, a verb meaning "To refine."
Affine has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings A & ine which should not be misspelled with single 'F'
Wrong Spelling:  A-f-ine  Correct Spelling:  A-ff-ine 
Find more wrongly spelled words of Affine to spell it well.