complaint vs civil law

complaint and civil law both are nouns.

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

complaint (noun)	civil law (noun)
an expression of grievance or resentment	the legal code of ancient Rome; codified under Justinian; the basis for many modern systems of civil law
(formerly) a loud cry (or repeated cries) of pain or rage or sorrow	the body of laws established by a state or nation for its own regulation
(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