complaint vs criminal law

complaint and criminal law both are nouns.

Word	Noun	Adjective	Verb	Adverb
complaint	Yes	No	No	No
criminal law	Yes	No	No	No

complaint (noun)	criminal law (noun)
an expression of grievance or resentment	the body of law dealing with crimes and their punishment
(formerly) a loud cry (or repeated cries) of pain or rage or sorrow
(civil law) the first pleading of the plaintiff setting out the facts on which the claim for relief is based
(criminal law) a pleading describing some wrong or offense
an often persistent bodily disorder or disease; a cause for complaining