rare vs extraordinary

rare and extraordinary both are adjectives.

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

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