Dofed or Doffed: How To spell?

The word Dofed is misspelled against Doffed, which is past tense of "Doff"

Doffed has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings Do & ed which should not be misspelled with single 'F'
Wrong Spelling: Do-f-ed
Correct Spelling: Do-ff-ed
Find more incorrect spellings of Doffed to spell right way.