alphabetical vs alphabetised

alphabetical and alphabetised both are adjectives.

Word	Noun	Adjective	Verb	Adverb
alphabetical	No	Yes	No	No
alphabetised	No	Yes	No	No

alphabetical (adjective)	alphabetised (adjective)
arranged in order according to the alphabet	having been put in alphabetical order
relating to or expressed by a writing system that uses an alphabet