archaeological vs archeological

archaeological and archeological both are adjectives.

Word	Noun	Adjective	Verb	Adverb
archaeological	No	Yes	No	No
archeological	No	Yes	No	No

As adjectives, archaeological and archeological are synonyms defined as:

archaeological and archeological: related to or dealing with or devoted to archaeology

Other synonyms of archaeological include archaeologic, archeologic.

archaeological (adjective)	archeological (adjective)
related to or dealing with or devoted to archaeology	related to or dealing with or devoted to archaeology