| fallaciousness(falseness, inaccuracy) |
| false impression(noun, expression, deception, vision, fantasy) |
| falsification(deception, lies) |
| fancy(noun, deception, vision, fantasy, illusion) |
| fantasy(noun, deception, vision, illusion, misconception) |
| faultiness(noun, mistake, error, falsity, inaccuracy) |
| feint |
| figment(noun, deception, vision, fantasy, illusion) |
| figment of the imagination(noun, expression, idiom, vision, fantasy) |
| guile(deception, deceit, trickery, falseness, falsity) |
| hair-splitter(quiddity, CC, misconstrual) |
| hairsplitter(quiddity, CC, misconstrual) |
| head trip(noun, expression, deception, vision, fantasy) |
| hoax(deception, deceit, trickery, misrepresentation, graft) |
| humbug |
| ignis fatuus(noun, expression, deception, vision, fantasy) |
| image(noun, vision, fantasy, illusion, hallucination) |
| imitation |
| impostor |
| imposture(deception, deceit, trickery, hoax, misrepresentation) |