an SUFFIX
-an, -ain; of, pertaining/belonging to; connected with; derived/coming from;
cotan.um ADJ 1 1 NOM S N POS
cotan.um ADJ 1 1 VOC S N POS
cotan.um ADJ 1 1 ACC S M POS
cotan.um ADJ 1 1 ACC S N POS
cos, cotis N (3rd) F [XXXCO]
flint-stone; whetstone, hone, grinding stone; rocks (pl.); any hard stone (L+S)
cotes, cotis N (3rd) F [XXXBO]
rough pointed/detached rock, loose stone; rocks (pl.), cliff, crag; reef;

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.