predate vs postdate

predate and postdate both are verbs.

Word	Noun	Adjective	Verb	Adverb
predate	No	No	Yes	No
postdate	No	No	Yes	No

predate (verb)	postdate (verb)
establish something as being earlier relative to something else	establish something as being later relative to something else
be earlier in time; go back further	be later in time
come before
prey on or hunt for