Riming or Rimming: How To spell?
The word Riming is misspelled against Rimming, which is present continuous of "Rim"
Rimming has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings ri & ing which should not be misspelled with single 'M'
Wrong Spelling:  ri-m-ing  Correct Spelling:  ri-mm-ing 
Find more wrongly spelled words of Rimming to spell it well.