said vs aforementioned

said and aforementioned both are adjectives.

Word	Noun	Adjective	Verb	Adverb
said	No	Yes	No	No
aforementioned	No	Yes	No	No

As adjectives, said and aforementioned are synonyms defined as:

said and aforementioned: being the one previously mentioned or spoken of

Other synonyms of said include aforesaid.

said (adjective)	aforementioned (adjective)
being the one previously mentioned or spoken of	being the one previously mentioned or spoken of