civil law vs complaint

civil law and complaint both are nouns.

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

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