| 1 | English | false | Untrue, not factual, factually incorrect; Based... |
| 2 | German | falsch | false, unfactual, untrue; wrong; fake, forged |
| 3 | Italian | falso | false; sham; forgery |
| 4 | Polish | fałszywy | false |
| 5 | Polish | fałsz | deceitfulness, phoniness; falsehood, falsity |
| 6 | Middle High German | valsch | — |
| 7 | Latin | falsus | deceived, tricked, cheated, disappointed, having... |
| 8 | Latin | fallō | — |
| 9 | Proto-Indo-European | ǵʰwel- | to bend; to lie, deceive |