Ribing or Ribbing: How To spell?
The word Ribing is misspelled against Ribbing, a noun meaning "An assemblage or arrangement of ribs, as the timberwork for the support of an arch or coved ceiling, the veins in the leaves of some plants, ridges in the fabric of cloth, or the like."
Ribbing has double "bb" is mispronounced as "b"Remember double 'BB' in between the strings Ri & ing which should not be misspelled with single 'B'
Wrong Spelling:  Ri-b-ing  Correct Spelling:  Ri-bb-ing 
Find more wrongly spelled words of Ribbing to spell it well.