complaint vs bill of indictment

complaint and bill of indictment both are nouns.

Word	Noun	Adjective	Verb	Adverb
complaint	Yes	No	No	No
bill of indictment	Yes	No	No	No

complaint (noun)	bill of indictment (noun)
an expression of grievance or resentment	a formal document written for a prosecuting attorney charging a person with some offense
(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