Byzantine, Machiavellian, calculating, coacting, coactive, coadjutant, coadjuvant, coefficient, collaborative, collective, collectivist, collectivistic, collusive, combined, commensal, common, communal, communalist, communalistic, communist, communistic, communitarian, concerted, concordant, concurrent, concurring, connivent, conspiring, contriving, cooperant, cooperating, cooperative, designing, ecumenic, fellow, harmonious, harmonized, intriguing, joint, mutual, noncompetitive, plotting, reciprocal, scheming, stratagemical, symbiotic, synergetic, synergic, synergistic, uncompetitive, up to