Which to use
“placebo” is a noun and “placera” is a verb - they look or sound alike but fill different roles in a sentence.
- #22,032
- “placebo” frequency rank
- #46,354
- “placera” frequency rank
- 68386
- confusion score
Side-by-Side Comparison
| Feature | placebo | placera |
|---|---|---|
| Definition | Imitation de médicament sans principe actif, utilisée pour les tests en double aveugle ou pour son effet sur le psychisme de certains patients. | Troisième personne du singulier du futur de placer. |
Where the eye mixes placebo and placera
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. placebo and placera follow the identical consonant-vowel pattern (CCVCVCV). Same shape at a glance is often the real trap, independent of shared letters.
Visual trap between placebo and placera
These two trip readers on the page rather than in the ear: placebo is \pla.se.bo\ while placera is \pla.sə.ʁa\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 68386, derived from the frequency rank of both members and their visual similarity.
placebo is recorded at frequency rank #22,032, classified as anoun, pronounced \pla.se.bo\. placera is at rank #46,354, tagged as averb, pronounced \pla.sə.ʁa\.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 68386, this pair ranks #59,387 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of placebo vs placera
Shared letters: acelp. Private to "placebo": bo. Private to "placera": r.
"placebo" · 7 letters · shape CCVCVCV · "placera" · 7 letters · shape CCVCVCV
Known mistypes of this pair
Frequently Asked Questions
Do "placebo" and "placera" mean the same thing in a sentence?
In ordinary French text, does "placebo" or "placera" show up more?
Useful next steps
Eye-level mix-up between "placebo" and "placera" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "placebo" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "placera" - compare definitions side by side with the headword page. Word entry
- This pair ranks #59,387 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "placebo" and "placera" also get mixed up with nearby pairs, the highest-scored neighbour is "placenta vs placera". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #59,387 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.