polar vs circumpolar

polar and circumpolar both are adjectives.

Word	Noun	Adjective	Verb	Adverb
polar	No	Yes	No	No
circumpolar	No	Yes	No	No

polar (adjective)	circumpolar (adjective)
of or existing at or near a geographical pole or within the Arctic or Antarctic Circles	located or found throughout a polar region
located at or near or coming from the earth's poles	(of a celestial body) continually visible above the horizon during the entire 360 degrees of daily travel
having a pair of equal and opposite charges
extremely cold
being of crucial importance
characterized by opposite extremes; completely opposed