кооперироватлаш (-ем)
{verb II} [Generate paradigm] 1. to organize into a cooperative, to organise into a cooperative (B.E.ALT), to join into a cooperative
♦ предприятий-влакым кооперироватлаш (-ем) {verb II} to organize businesses into cooperatives
--"PURIST"--> пырляштараш (-ем)