per PREFIX
very -, - completely, - thoroughly;
disert.e ADJ 1 1 VOC S M POS
disertus, diserta, disertum ADJ [XXXDX] lesser
eloquent; skillfully expressed;
e SUFFIX
-ly; -ily; Converting ADJ to ADV
disert.e ADV POS
disertus, diserta, disertum ADJ [XXXDX] lesser
eloquent; skillfully expressed;

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.