cold vs polar

cold is a noun but polar is not a noun.

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

cold (noun)	polar (noun)
the absence of heat
the sensation produced by low temperatures
a mild viral infection involving the nose and respiratory passages (but not the lungs)

cold (adjective)	polar (adjective)
having a low or inadequate temperature or feeling a sensation of coldness or having been made cold by e.g. ice or refrigeration	of or existing at or near a geographical pole or within the Arctic or Antarctic Circles
extended meanings; especially of psychological coldness; without human warmth or emotion	located at or near or coming from the earth's poles
(color) giving no sensation of warmth	having a pair of equal and opposite charges
lacking the warmth of life	extremely cold
of a seeker; far from the object sought	being of crucial importance
without compunction or human feeling	characterized by opposite extremes; completely opposed
so intense as to be almost uncontrollable
marked by errorless familiarity
having lost freshness through passage of time
unconscious from a blow or shock or intoxication
feeling or showing no enthusiasm
sexually unresponsive
lacking originality or spontaneity; no longer new