viosterol vs ergocalciferol

viosterol and ergocalciferol both are nouns.

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

As nouns, viosterol and ergocalciferol are synonyms defined as:

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

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

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