Rating or Ratting: How To spell?
The word Rating is misspelled against Ratting, a noun meaning "The conduct or practices of one who rats. See Rat, v. i., 1."
Ratting has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings ra & ing which should not be misspelled with single 'T'
Wrong Spelling:  ra-t-ing  Correct Spelling:  ra-tt-ing 
Find more wrongly spelled words of Ratting to spell it well.