augury vs preindication

augury and preindication both are nouns.

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

As nouns, augury and preindication are synonyms defined as:

augury and preindication: an event that is experienced as indicating important things to come

Other synonyms of augury include foretoken, sign.

augury (noun)	preindication (noun)
an event that is experienced as indicating important things to come	an event that is experienced as indicating important things to come