plasma protein vs plasma

plasma protein and plasma both are nouns.

Word	Noun	Adjective	Verb	Adverb
plasma protein	Yes	No	No	No
plasma	Yes	No	No	No

plasma protein (noun)	plasma (noun)
any of the proteins in blood plasma	the colorless watery fluid of the blood and lymph that contains no cells, but in which the blood cells (erythrocytes, leukocytes, and thrombocytes) are suspended
	(physical chemistry) a fourth state of matter distinct from solid or liquid or gas and present in stars and fusion reactors; a gas becomes a plasma when it is heated until the atoms lose all their electrons, leaving a highly electrified collection of nuclei and free electrons
	a green slightly translucent variety of chalcedony used as a gemstone