collabor.are V 1 1 PRES ACTIVE INF 0 X
collabor.are V 1 1 PRES PASSIVE IND 2 S Early
collabor.are V 1 1 PRES PASSIVE IMP 2 S
collaboro, collaborare, collaboravi, collaboratus V (1st) INTRANS [DXXFS] Late veryrare
labor/work with/together;
Syncope r => v.r
Syncopated perfect often drops the 'v' and contracts vowel
collaborav.ere V 1 1 PERF ACTIVE IND 3 P
collaboro, collaborare, collaboravi, collaboratus V (1st) INTRANS [DXXFS] Late veryrare
labor/work with/together;

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.