thiamin vs aneurin

thiamin and aneurin both are nouns.

Word	Noun	Adjective	Verb	Adverb
thiamin	Yes	No	No	No
aneurin	Yes	No	No	No

As nouns, thiamin and aneurin are synonyms defined as:

thiamin and aneurin: a B vitamin that prevents beriberi; maintains appetite and growth

Other synonyms of thiamin include antiberiberi factor, thiamine, vitamin B1.

thiamin (noun)	aneurin (noun)
a B vitamin that prevents beriberi; maintains appetite and growth	a B vitamin that prevents beriberi; maintains appetite and growth