collude

collude verb [ I ]
 formal uk/kəˈluːd/ us
to do something secretly with another person or group, in order to deceive or cheat others

тайно сговариваться
The company collude d with competitors to fix prices. collusion noun [ U ] uk/kəˈluːʒən/ us

тайный сговор
He was accused of being in collusion with the terrorists.