different between predicatory vs predictory

English

Compare Latin praedicatorius (“praising”).

predicatory (comparative more predicatory, superlative most predicatory)

affirmative; positive
- 1649, Joseph Hall, Resolutions and Decisions of Divers Practicall cases of Conscience
  The just degrees of callings must be herein duly observed; whether in a public way, as pastors of congregations ; or in a private way , as masters of families : whether in the schools , in a mere grammatical way ; or in the church , in a predicatory

predict +? -ory

predictory (comparative more predictory, superlative most predictory)

Serving to predict; predictive.
- 1662, Thomas Fuller, History of the Worthies of England
  his font name then given him, as predictory of those victories he afterwards got

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