Difracted or Diffracted: How To spell?

The word Difracted is misspelled against Diffracted, which is past tense of "Diffract"

Diffracted has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings Di & racted which should not be misspelled with single 'F'
Wrong Spelling: Di-f-racted
Correct Spelling: Di-ff-racted
Find more wrongly spelled words of Diffracted to spell it well.