stick out vs protrude

stick out and protrude both are verbs.

Word	Noun	Adjective	Verb	Adverb
stick out	No	No	Yes	No
protrude	No	No	Yes	No

As verbs, stick out and protrude are synonyms defined as:

Other synonyms of stick out include jut, jut out, project.

stick out (verb)	protrude (verb)
put up with something or somebody unpleasant	swell or protrude outwards
extend out or project in space	bulge outward
be highly noticeable	extend out or project in space