protruding vs projected

protruding and projected both are adjectives.

Word	Noun	Adjective	Verb	Adverb
protruding	No	Yes	No	No
projected	No	Yes	No	No

As adjectives, protruding and projected are synonyms defined as:

protruding and projected: extending out above or beyond a surface or boundary

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

protruding (adjective)	projected (adjective)
extending out above or beyond a surface or boundary	extending out above or beyond a surface or boundary