Profering or Proffering: How To spell?

The word Profering is misspelled against Proffering, which is present continuous of "Proffer"

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