folacin vs vitamin M

folacin and vitamin M both are nouns.

Word	Noun	Adjective	Verb	Adverb
folacin	Yes	No	No	No
vitamin M	Yes	No	No	No

As nouns, folacin and vitamin M are synonyms defined as:

folacin and vitamin M: a B vitamin that is essential for cell growth and reproduction

Other synonyms of folacin include folate, folic acid, pteroylglutamic acid, pteroylmonoglutamic acid, vitamin Bc.

folacin (noun)	vitamin M (noun)
a B vitamin that is essential for cell growth and reproduction	a B vitamin that is essential for cell growth and reproduction