tr.ibus NUM 1 3 DAT P X CARD
tr.ibus NUM 1 3 ABL P X CARD
tres -es -ia, tertius -a -um, terni -ae -a, ter NUM [XXXAX]
3 - (CARD answers 'how many');
trib.us N 4 1 NOM S F
trib.us N 4 1 VOC S F
trib.us N 4 1 GEN S F
trib.us N 4 1 NOM P F
trib.us N 4 1 VOC P F
trib.us N 4 1 ACC P F
tribus, tribus N (4th) F [XXXDX] lesser
third part of the people; tribe, hereditary division (Ramnes, Tities, Luceres);

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.