propjet vs turbo-propeller plane

propjet and turbo-propeller plane both are nouns.

Word	Noun	Adjective	Verb	Adverb
propjet	Yes	No	No	No
turbo-propeller plane	Yes	No	No	No

As nouns, propjet and turbo-propeller plane are synonyms defined as:

propjet and turbo-propeller plane: an airplane with an external propeller that is driven by a turbojet engine

Other synonyms of propjet include turboprop.

propjet (noun)	turbo-propeller plane (noun)
an airplane with an external propeller that is driven by a turbojet engine	an airplane with an external propeller that is driven by a turbojet engine