Which to use
“P4” and “PJ” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #46,332
- “P4” frequency rank
- #20,237
- “PJ” frequency rank
- 66569
- confusion score
Side-by-Side Comparison
| Feature | P4 | PJ |
|---|---|---|
| Definition | Réformé pour problèmes psychiques. | Pièce jointe. |
Where the eye mixes P4 and PJ
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between P4 and PJ
A purely visual mix-up. P4 (\pe.katʁ\) and PJ (\pe.ʒi\) 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 - 4 in “P4” becomes j in “PJ”. Our composite confusion score for this pair is 66569, derived from the frequency rank of both members and their visual similarity.
P4 is recorded at frequency rank #46,332, classified as anoun, pronounced \pe.katʁ\. PJ is at rank #20,237, tagged as anoun, pronounced \pe.ʒi\.
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 66569, this pair ranks #67,237 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of P4 vs PJ
Shared letters: p. Private to "P4": -. Private to "PJ": j.
"P4" · 1 letters · shape C · "PJ" · 2 letters · shape CC
Frequently Asked Questions
Do "P4" and "PJ" mean the same thing in a sentence?
Frequency check: "P4" vs "PJ" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "P4" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "PJ" - compare definitions side by side with the headword page. Word entry
- This pair ranks #67,237 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "P4" and "PJ" also get mixed up with nearby pairs, the highest-scored neighbour is "P4 vs pio". Nearby pair
Confusion rank #67,237 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.