albumin vs albumen

albumin and albumen both are nouns.

Word	Noun	Adjective	Verb	Adverb
albumin	Yes	No	No	No
albumen	Yes	No	No	No

As nouns, albumin and albumen are synonyms defined as:

albumin and albumen: a simple water-soluble protein found in many animal tissues and liquids

albumin (noun)	albumen (noun)
a simple water-soluble protein found in many animal tissues and liquids	the white part of an egg; the nutritive and protective gelatinous substance surrounding the yolk consisting mainly of albumin dissolved in water
	a simple water-soluble protein found in many animal tissues and liquids