P4vspisWhat's the difference?

Which to use

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

#46,332
“P4” frequency rank
#3,350
“pis” frequency rank
49682
confusion score

Side-by-Side Comparison

Feature P4 pis
Definition Réformé pour problèmes psychiques. Mamelle de bête laitière (vache, brebis, etc.).

Where the eye mixes P4 and pis

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch
P4
3 ch
pis

Look-alike desk: P4 vs pis

A purely visual mix-up. P4 (\pe.katʁ\) and pis (\pi\) 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 49682, 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\. pis is at rank #3,350, tagged as anoun, pronounced \pi\.

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 49682, this pair ranks #168,692 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of P4 vs pis

Shared letters: p. Private to "P4": -. Private to "pis": is.

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

Frequently Asked Questions

Do "P4" and "pis" mean the same thing in a sentence?
No. They are said differently (\pe.katʁ\ versus \pi\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "P4" vs "pis" - which ranks higher?
"pis" is the more common of the two: it sits at frequency rank #3,350 in our French list, against #46,332 for "P4". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "pis" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #168,692 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "P4" and "pis" also get mixed up with nearby pairs, the highest-scored neighbour is "P4 vs pio". Nearby pair

Confusion rank #168,692 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