decim.um NUM 2 0 NOM S N ORD
decim.um NUM 2 0 VOC S N ORD
decim.um NUM 2 0 ACC S M ORD
decim.um NUM 2 0 ACC S N ORD
decem, decimus -a -um, deni -ae -a, decie (n)s NUM [XXXBO]
10th - (ORD, 'in series'); (a/the) 10th (part) (fract w/pars?);
decim.um N 2 1 ACC S M
Decimus, Decimi N (2nd) M [XXXDX] lesser
Decimus (Roman praenomen); (abb. D.);
decimum ADV POS
decimum ADV [XXXEO] uncommon
for the tenth time;
*

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.