repulsorlift engine vs device

repulsorlift engine and device both are nouns.

Word	Noun	Adjective	Verb	Adverb
repulsorlift engine	Yes	No	No	No
device	Yes	No	No	No

As nouns, device is a hypernym of repulsorlift engine; that is, device is a word with a broader meaning than repulsorlift engine:

repulsorlift engine: a fictional anti-gravity device in the Star Wars Universe.
device: an instrumentality invented for a particular purpose

repulsorlift engine (noun)	device (noun)
a fictional anti-gravity device in the Star Wars Universe.	any clever maneuver
	an instrumentality invented for a particular purpose
	an emblematic design (especially in heraldry)
	any ornamental pattern or design (as in embroidery)
	something in an artistic work designed to achieve a particular effect