Furing or Furring: How To spell?
The word Furing is misspelled against Furring, a noun meaning "The leveling of a surface, or the preparing of an air space, by means of strips of board or of larger pieces. See Fur, v. t., 3."
Furring has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings fu & ing which should not be misspelled with single 'R'
Wrong Spelling:  fu-r-ing  Correct Spelling:  fu-rr-ing 
Check more misspelled words of Furring to spell it correct.