immune reaction vs complement

immune reaction and complement both are nouns.

Word	Noun	Adjective	Verb	Adverb
immune reaction	Yes	No	No	No
complement	Yes	No	Yes	No

immune reaction (noun)	complement (noun)
a bodily defense reaction that recognizes an invading substance (an antigen: such as a virus or fungus or bacteria or transplanted organ) and produces antibodies specific against that antigen	something added to complete or embellish or make perfect
	either of two parts that mutually complete each other
	a word or phrase used to complete a grammatical construction
	number needed to make up a whole force
	a complete number or quantity
	one of a series of enzymes in the blood serum that are part of the immune response

immune reaction (verb)	complement (verb)
	make complete or perfect; supply what is wanting or form the complement to