rib vs ribbing

rib and ribbing both are nouns.

Word	Noun	Adjective	Verb	Adverb
rib	Yes	No	Yes	No
ribbing	Yes	No	No	No

rib (noun)	ribbing (noun)
support resembling the rib of an animal	the act of harassing someone playfully or maliciously (especially by ridicule); provoking someone with persistent annoyances
a projecting molding on the underside of a vault or ceiling; may be ornamental or structural	a framework of ribs
any of the 12 pairs of curved arches of bone extending from the spine to or toward the sternum in humans (and similar bones in most vertebrates)
a riblike supporting or strengthening part of an animal or plant
a teasing remark
cut of meat including one or more ribs

rib (verb)	ribbing (verb)
subject to laughter or ridicule
form vertical ribs by knitting