portend vs prefigure

portend and prefigure both are verbs.

Word	Noun	Adjective	Verb	Adverb
portend	No	No	Yes	No
prefigure	No	No	Yes	No

As verbs, portend and prefigure are synonyms defined as:

Other synonyms of portend include augur, auspicate, betoken, bode, forecast, foreshadow, foretell, omen, predict, presage, prognosticate.

portend (verb)	prefigure (verb)
indicate, as with a sign or an omen	indicate, as with a sign or an omen
	imagine or consider beforehand