Afinal or Affinal: How To spell?
The word Afinal is misspelled against Affinal, an adjective meaning "Related by marriage; from the same source."
Affinal has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings A & inal which should not be misspelled with single 'F'
Wrong Spelling:  A-f-inal  Correct Spelling:  A-ff-inal 
Find more wrongly spelled words of Affinal to spell it well.