All legislative Powers herein granted shall be vested in a Congress of the United States, which shall consist of a Senate and House of Representatives.
Senators are almost exclusively called Senator. A member of the House is usually called Representative so and so but also sometimes called Congressman.> >
Really easy to research this. Just go directly to the source material:
https://constitution.congress.gov/constitution/
Senators are almost exclusively called Senator. A member of the House is usually called Representative so and so but also sometimes called Congressman.> >