archetypical vs archetypal

archetypical and archetypal both are adjectives.

Word	Noun	Adjective	Verb	Adverb
archetypical	No	Yes	No	No
archetypal	No	Yes	No	No

As adjectives, archetypical and archetypal are synonyms defined as:

archetypical and archetypal: representing or constituting an original type after which other similar things are patterned

Other synonyms of archetypical include prototypal, prototypic, prototypical.

archetypical (adjective)	archetypal (adjective)
representing or constituting an original type after which other similar things are patterned	representing or constituting an original type after which other similar things are patterned