訴状 （ソジョウ） petition, complaint, (legal) brief

訴訟 （ソショウ） lawsuit, suit, (legal) action, litigation

公訴 （コウソ） (public) prosecution, indictment, accusation

提訴 （テイソ） presenting a case, suing

訴える （うったえる） to raise, to bring to (someone's attention), to appeal to (reason, emotions, etc.), to work on (one's emotions), to play on (one's sympathies), to complain, to sue (a person), to take someone to court, to resort to (e.g. arms, violence)