albumen vs albumin

albumen and albumin both are nouns.

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

As nouns, albumen and albumin are synonyms defined as:

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

albumen (noun)	albumin (noun)
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
a simple water-soluble protein found in many animal tissues and liquids