extraneous vs irrelevant

extraneous and irrelevant both are adjectives.

Word	Noun	Adjective	Verb	Adverb
extraneous	No	Yes	No	No
irrelevant	No	Yes	No	No

extraneous (adjective)	irrelevant (adjective)
not belonging to that in which it is contained; introduced from an outside source	having no bearing on or connection with the subject at issue
not pertinent to the matter under consideration
coming from the outside
not essential