extraordinary vs rare

extraordinary and rare both are adjectives.

Word	Noun	Adjective	Verb	Adverb
extraordinary	No	Yes	No	No
rare	No	Yes	No	No

extraordinary (adjective)	rare (adjective)
beyond what is ordinary or usual; highly unusual or exceptional or remarkable; special	marked by an uncommon quality; especially superlative or extreme of its kind
far more than usual or expected	recurring only at long intervals
(of an official) serving an unusual or special function in addition to those of the regular officials	(of meat) cooked a short time; still red inside
	not widely distributed
	having low density
	not widely known; especially valued for its uncommonness