re PREFIX
- back, - again;
iv SUFFIX
-ive, -ed; having the passive tendency; having been ...-ed;
duplicativ.e ADJ 1 1 VOC S M POS
duplico, duplicare, duplicavi, duplicatus V (1st) [XXXDX] lesser
double, bend double; duplicate; enlarge;
re PREFIX
- back, - again;
e SUFFIX
-ly; -ily; Converting ADJ to ADV
duplicativ.e ADV POS
duplico, duplicare, duplicavi, duplicatus V (1st) [XXXDX] lesser
double, bend double; duplicate; enlarge;
re PREFIX
- back, - again;
e SUFFIX
duplicativ.e ADV POS
duplico, duplicare, duplicavi, duplicatus V (1st) [XXXDX] lesser
double, bend double; duplicate; enlarge;

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.