vitamin B2 vs vitamin G

vitamin B2 and vitamin G both are nouns.

Word	Noun	Adjective	Verb	Adverb
vitamin B2	Yes	No	No	No
vitamin G	Yes	No	No	No

As nouns, vitamin B2 and vitamin G are synonyms defined as:

vitamin B2 and vitamin G: a B vitamin that prevents skin lesions and weight loss

Other synonyms of vitamin B2 include hepatoflavin, lactoflavin, ovoflavin, riboflavin.

vitamin B2 (noun)	vitamin G (noun)
a B vitamin that prevents skin lesions and weight loss	a B vitamin that prevents skin lesions and weight loss