sticking vs sticking out

sticking and sticking out both are adjectives.

Word	Noun	Adjective	Verb	Adverb
sticking	No	Yes	No	No
sticking out	No	Yes	No	No

As adjectives, sticking and sticking out are synonyms defined as:

sticking and sticking out: extending out above or beyond a surface or boundary

Other synonyms of sticking include jutting, projected, projecting, protruding, relieved.

sticking (adjective)	sticking out (adjective)
extending out above or beyond a surface or boundary	extending out above or beyond a surface or boundary