P4vspirTell them apart

Which to use

“P4” and “pir” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#46,332
“P4” frequency rank
#37,481
“pir” frequency rank
83813
confusion score

Side-by-Side Comparison

Feature P4 pir
Definition Réformé pour problèmes psychiques. Maître spirituel, en Afghanistan.

Where the eye mixes P4 and pir

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. P4 runs 1 letters (C) against pir's 3 (CVC) - the length gap alone is often enough to separate them once you know to check it.

2 ch
P4
3 ch
pir

Visual trap between P4 and pir

A purely visual mix-up. P4 (\pe.katʁ\) and pir (\piʁ\) 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 1 letter(s) in length. Our composite confusion score for this pair is 83813, 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\. pir is at rank #37,481, tagged as anoun, pronounced \piʁ\.

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 83813, this pair ranks #14,121 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of P4 vs pir

Shared letters: p. Private to "P4": -. Private to "pir": ir.

"P4" · 1 letters · shape C  ·  "pir" · 3 letters · shape CVC

Frequently Asked Questions

Do "P4" and "pir" mean the same thing in a sentence?
No. They are said differently (\pe.katʁ\ versus \piʁ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "P4" or "pir" show up more?
"pir" is the more common of the two: it sits at frequency rank #37,481 in our French list, against #46,332 for "P4". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "P4" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pir" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #14,121 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "P4" and "pir" also get mixed up with nearby pairs, the highest-scored neighbour is "P4 vs pio". Nearby pair

Confusion rank #14,121 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list