predictive vs prognosticative

predictive and prognosticative both are adjectives.

Word	Noun	Adjective	Verb	Adverb
predictive	No	Yes	No	No
prognosticative	No	Yes	No	No

As adjectives, predictive and prognosticative are synonyms defined as:

predictive and prognosticative: of or relating to prediction; having value for making predictions

Other synonyms of predictive include prognostic.

predictive (adjective)	prognosticative (adjective)
of or relating to prediction; having value for making predictions	of or relating to prediction; having value for making predictions