Word mod co/con
An initial 'co' may be rendered by 'con'
concre.are V 1 1 PRES ACTIVE INF 0 X
concre.are V 1 1 PRES PASSIVE IND 2 S Early
concre.are V 1 1 PRES PASSIVE IMP 2 S
concreo, concreare, concreavi, concreatus V (1st) TRANS [EXXFE] Later veryrare
create together;
Syncope r => v.r

concreav.ere V 1 1 PERF ACTIVE IND 3 P
concreo, concreare, concreavi, concreatus V (1st) TRANS [EXXFE] Later veryrare
create 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.