propellor vs prop

propellor and prop both are nouns.

Word	Noun	Adjective	Verb	Adverb
propellor	Yes	No	No	No
prop	Yes	No	Yes	No

As nouns, prop is a hyponym of propellor; that is, prop is a word with a more specific, narrower meaning than propellor:

Other hyponyms of propellor include airplane propeller, airscrew, screw, screw propeller, variable-pitch propeller.

propellor (noun)	prop (noun)
a mechanical device that rotates to push against air or water	a support placed beneath or against something to keep it from shaking or falling
	a propeller that rotates to push against air
	any movable articles or objects used on the set of a play or movie

propellor (verb)	prop (verb)
	support by placing against something solid or rigid