antecedent vs forbear

antecedent and forbear both are nouns.

Word	Noun	Adjective	Verb	Adverb
antecedent	Yes	Yes	No	No
forbear	Yes	No	Yes	No

As nouns, forbear is a hyponym of antecedent; that is, forbear is a word with a more specific, narrower meaning than antecedent:

antecedent: someone from whom you are descended (but usually more remote than a grandparent)
forbear: a person from whom you are descended

Other hyponyms of antecedent include ancestress, forebear, father, forefather, sire, foremother, primogenitor, progenitor.

antecedent (noun)	forbear (noun)
the referent of an anaphor; a phrase or clause that is referred to by an anaphoric pronoun	a person from whom you are descended
a preceding occurrence or cause or event
someone from whom you are descended (but usually more remote than a grandparent)
anything that precedes something similar in time

antecedent (adjective)	forbear (adjective)
preceding in time or order

antecedent (verb)	forbear (verb)
	resist doing something
	refrain from doing