protrude vs thrust

protrude is not a noun while thrust is a noun.

Word	Noun	Adjective	Verb	Adverb
protrude	No	No	Yes	No
thrust	Yes	No	Yes	No

As verbs, thrust is a hyponym of protrude; that is, thrust is a word with a more specific, narrower meaning than protrude:

Other hyponyms of protrude include overhang, push up, spear, spear up, bag, bulge, cantilever.

protrude (noun)	thrust (noun)
	the act of applying force to propel something
	a strong blow with a knife or other sharp pointed instrument
	a sharp hand gesture (resembling a blow)
	verbal criticism
	the force used in pushing

protrude (verb)	thrust (verb)
swell or protrude outwards	impose urgently, importunately, or inexorably
bulge outward	penetrate or cut through with a sharp instrument
extend out or project in space	place or put with great energy
	push forcefully
	make a thrusting forward movement
	press or force
	push violently in a specified direction
	force (molten rock) into pre-existing rock