Which to use
“PCR” and “PMR” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #39,452
- “PCR” frequency rank
- #48,720
- “PMR” frequency rank
- 88172
- confusion score
Side-by-Side Comparison
| Feature | PCR | PMR |
|---|---|---|
| Definition | Amplification en chaîne par polymérase, méthode qui permet de créer un grand nombre de copies d’une séquence d’ADN ou d’ARN. | Personne à mobilité réduite ; par exemple, personne qui se déplace en fauteuil roulant. |
Where the eye mixes PCR and PMR
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. PCR and PMR follow the identical consonant-vowel pattern (CCC). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses PCR with PMR
A purely visual mix-up. PCR (\pe.se.ɛʁ\) and PMR (\pe.ɛm.ɛʁ\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - c in “PCR” becomes m in “PMR”. Our composite confusion score for this pair is 88172, derived from the frequency rank of both members and their visual similarity.
PCR is recorded at frequency rank #39,452, classified as anoun, pronounced \pe.se.ɛʁ\. PMR is at rank #48,720, tagged as anoun, pronounced \pe.ɛm.ɛʁ\.
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 88172, this pair ranks #7,317 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of PCR vs PMR
Shared letters: pr. Private to "PCR": c. Private to "PMR": m.
"PCR" · 3 letters · shape CCC · "PMR" · 3 letters · shape CCC
Frequently Asked Questions
Can "PCR" and "PMR" be used interchangeably?
Frequency check: "PCR" vs "PMR" - which ranks higher?
Useful next steps
Eye-level mix-up between "PCR" and "PMR" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "PCR" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "PMR" - compare definitions side by side with the headword page. Word entry
- This pair ranks #7,317 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "PCR" and "PMR" also get mixed up with nearby pairs, the highest-scored neighbour is "pio vs PMR". Nearby pair
Confusion rank #7,317 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.