ari SUFFIX
-er; -ist; dealer in thing, maker/artisan (argent.arius = money/silver changer)
progressionari.us N 2 1 NOM S M
progressio, progressionis N (3rd) F [XXXDO] lesser
progress/development; advance/forward movement; rising figure of speech; climax
ari SUFFIX
of, pertaining/belonging to; connected with; derived from; made of; -like;
progressionari.us ADJ 1 1 NOM S M POS
progressio, progressionis N (3rd) F [XXXDO] lesser
progress/development; advance/forward movement; rising figure of speech; climax

Credits:
This, our local install of the popular standby Whitaker's Words, is possible thanks to the resurrection of the venerable project at William Whitaker's Words, where you will also find extensive documentation. The corresponding GitHub repository is where you can submit issues about missing forms and analyses.
This web interface by Walter M. Shandruk.