Intercommunication

Many Latin Americans dream that they could use Esperanto over their own Spanish and Portuguese for regional intercommunication.

Even in beasts, that have no voice at all, by the reciprocall kindnesse, which we see in them, we easily inferre there is some other meane of entercommunication: their jestures treat, and their motions discourse.

Starting in their different musical worlds, they attempted endless ways of achieving a partnership, at last finding some kind of "intercommunication".