ar SUFFIX
means/instrument/place for special purpose of N/V (calco/calcar - tread/spur);
differentiar.e N 3 4 LOC S N
differentiar.e N 3 4 DAT S N Early
differentia, differentiae N (1st) F [XXXCO]
difference/diversity/distinction; distinguishing characteristic; different kind
ar SUFFIX
-ary; of a, pertaining to a; (-like?);
differentiar.e ADJ 3 2 NOM S N POS
differentiar.e ADJ 3 2 VOC S N POS
differentiar.e ADJ 3 2 ABL S X POS
differentiar.e ADJ 3 2 ACC S N POS
differentia, differentiae N (1st) F [XXXCO]
difference/diversity/distinction; distinguishing characteristic; different kind

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.