A jet plane is a type of aircraft that uses jet engines for propulsion. There are several synonyms for this term that can be used in different contexts. Some common synonyms include jetliner, airliner, commercial aircraft, passenger plane, and fast plane. These synonyms are often used interchangeably, although they may have slightly different connotations or implications. For example, a jetliner may imply a larger, commercial aircraft used for passenger transportation, while a fast plane may suggest a smaller, high-speed aircraft used for racing or other specialized purposes. Nonetheless, all of these words can be used to refer to a type of aircraft that relies on jet engines to generate thrust and achieve flight.