paid vs postpaid

paid and postpaid both are adjectives.

Word	Noun	Adjective	Verb	Adverb
paid	No	Yes	No	No
postpaid	No	Yes	No	No

paid (adjective)	postpaid (adjective)
marked by the reception of pay	used especially of mail; paid in advance
involving gainful employment in something often done as a hobby
yielding a fair profit