turboprop vs turbo-propeller plane

turboprop and turbo-propeller plane both are nouns.

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

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

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

Other synonyms of turboprop include propjet.

turboprop (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