Impeachment is analogous to indictment in regular court proceedings; trial by the other house is analogous to the trial before judge and jury in regular courts. Typically, the lower house of the legislature impeaches the official and the upper house conducts the trial.
At the federal level of government, agencies such as the U.S. Department of Justice's Civil Rights Division, the U.S. Department of Education's Office for Civil Rights, and the Equal Employment Opportunity Commission (EEOC) investigate claims of civil rights violations and discrimination.
Civil has several meanings. The simplest is cultured and polite, as in someone who is civilized. Civil can also describe things related to a community of people and their government, or a civilization. Captain America: Civil War is a hit film at the early summer box office, having recently surpassed 1 billion dollars in worldwide ticket sales. The film raises a lot of questions.