optical delusion

noun 0.885

illusion

noun 0.728

optical

noun 0.667

argument from illusion

noun 0.650

hallucination

noun 0.637

mirage

noun 0.621

delusion

noun 0.587

illusionist

noun 0.585

optics

noun 0.574

magic trick

noun 0.567

op art

noun 0.565

moon illusion

noun 0.561

optical microscope

noun 0.556

optical isomer

noun 0.545

deception

noun 0.544

optical glass

noun 0.542

double vision

noun 0.541

vision

noun 0.539

misperception

noun 0.539

hologram

noun 0.538

distortion

noun 0.536

mind game

noun 0.535

optical fibre

noun 0.534

misleading

noun 0.531

delusional

noun 0.530

optical astronomy

noun 0.529

optical spectrum

noun 0.528

optical power

noun 0.525

pareidolia

noun 0.524

imperception

noun 0.522

oscillopsia

noun 0.519

fallacy

noun 0.519

kaleidoscope

noun 0.516

deceiving

noun 0.516

phantasm

noun 0.516

forced perspective

noun 0.515

smoke and mirrors

noun 0.515

optic

noun 0.513

phantasmagoria

noun 0.513

hoax

noun 0.509

optical activity

noun 0.507

vertigo

noun 0.506

visual

noun 0.505

holograph

noun 0.502

ghost image

noun 0.502

delusional disorder

noun 0.502

optical drive

noun 0.500