cholecalciferol vs viosterol

cholecalciferol and viosterol both are nouns.

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

As nouns, cholecalciferol and viosterol are synonyms defined as:

cholecalciferol and viosterol: a fat-soluble vitamin that prevents rickets

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

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