calciferol vs vitamin D

calciferol and vitamin D both are nouns.

Word	Noun	Adjective	Verb	Adverb
calciferol	Yes	No	No	No
vitamin D	Yes	No	No	No

As nouns, calciferol and vitamin D are synonyms defined as:

Other synonyms of calciferol include cholecalciferol, D, ergocalciferol, viosterol.

calciferol (noun)	vitamin D (noun)
a fat-soluble vitamin that prevents rickets	a fat-soluble vitamin that prevents rickets