portent vs preindication

portent and preindication both are nouns.

Word	Noun	Adjective	Verb	Adverb
portent	Yes	No	No	No
preindication	Yes	No	No	No

As nouns, preindication is a hypernym of portent; that is, preindication is a word with a broader meaning than portent:

portent: a sign of something about to happen
preindication: an event that is experienced as indicating important things to come

Other hypernyms of portent include augury, foretoken, sign.

portent (noun)	preindication (noun)
a sign of something about to happen	an event that is experienced as indicating important things to come