calefacient vs warming

calefacient is not a noun while warming is a noun.

Word	Noun	Adjective	Verb	Adverb
calefacient	No	Yes	No	No
warming	Yes	Yes	No	No

As adjectives, calefacient and warming are synonyms defined as:

calefacient and warming: producing the sensation of heat when applied to the body

calefacient (noun)	warming (noun)
	warm weather following a freeze; snow and ice melt
	the process of becoming warmer; a rising temperature

calefacient (adjective)	warming (adjective)
producing the sensation of heat when applied to the body	producing the sensation of heat when applied to the body
	imparting heat