antedate vs foredate

antedate and foredate both are verbs.

Word	Noun	Adjective	Verb	Adverb
antedate	No	No	Yes	No
foredate	No	No	Yes	No

As verbs, antedate and foredate are synonyms defined as:

antedate and foredate: establish something as being earlier relative to something else

Other synonyms of antedate include predate.

antedate (verb)	foredate (verb)
establish something as being earlier relative to something else	establish something as being earlier relative to something else
be earlier in time; go back further