surveillance

noun 0.766

video surveillance

noun 0.694

surveillance camera

noun 0.643

biosurveillance

noun 0.636

countersurveillance

noun 0.618

monitoring

noun 0.594

wiretapping

noun 0.547

surveillant

noun 0.545

spy ring

noun 0.543

dragnet

noun 0.538

shoulder surfing

noun 0.518

mass murder

noun 0.511

monitor

noun 0.511

surveying

noun 0.511

totalitarianism

noun 0.510

vigilance

noun 0.510

snooping

noun 0.507

panopticon

noun 0.506

mass shooting

noun 0.500