viosterol vs calciferol

viosterol and calciferol both are nouns.

Word	Noun	Adjective	Verb	Adverb
viosterol	Yes	No	No	No
calciferol	Yes	No	No	No

As nouns, viosterol and calciferol are synonyms defined as:

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

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