collaborate, coordinate, coperate

Collaborate: labor together, work together, same goal, single output, cant achieve independently, or with difficulty

Cooperate: can operate together, do not interfere, independent goals, will hurt each other if do not cooperate, help each other if they do

Coordinate:  when they share an understanding of the environment, so that they can sequence their activities, roles etc, it is the actual actual sequencing and synchronization of individual activities of two or more entities .