acold vs cold

acold is not a noun while cold is a noun.

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

acold (noun)	cold (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)

acold (adjective)	cold (adjective)
of persons; feeling cold	having a low or inadequate temperature or feeling a sensation of coldness or having been made cold by e.g. ice or refrigeration
	extended meanings; especially of psychological coldness; without human warmth or emotion
	(color) giving no sensation of warmth
	lacking the warmth of life
	of a seeker; far from the object sought
	without compunction or human feeling
	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