Ferule or Ferrule: How To spell?

The word Ferule is misspelled against Ferrule, a noun meaning "A bushing for expanding the end of a flue to fasten it tightly in the tube plate, or for partly filling up its mouth."

Ferrule has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings fe & ule which should not be misspelled with single 'R'
Wrong Spelling: fe-r-ule
Correct Spelling: fe-rr-ule
Check more misspelled words of Ferrule to spell it correct.