polygrapher

noun 0.849

polygraphy

noun 0.839

lie detector

noun 0.832

plethysmograph

noun 0.572

psychometry

noun 0.547

plethysmography

noun 0.547

electroencephalograph

noun 0.537

electrocardiograph

noun 0.532

lie

noun 0.525

cardiography

noun 0.525

liar

noun 0.513

graphology

noun 0.511

pyrometer

noun 0.511

lithograph

noun 0.509

logic analyzer

noun 0.508

big lie

noun 0.508

logy

noun 0.507

truth serum

noun 0.506

graph

noun 0.504

polyp

noun 0.502

electroencephalography

noun 0.502

electrocardiogram

noun 0.501

thermograph

noun 0.501

cardiogram

noun 0.500