pouvspsyWhat's the difference?

Which to use

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

#13,869
“pou” frequency rank
#6,544
“psy” frequency rank
20413
confusion score

Side-by-Side Comparison

Feature pou psy
Definition Très petit insecte parasite sans ailes qui s’attache à plusieurs espèces d’animaux dont l’humain, agent de phtiriase et pouvant transmettre des maladies. Psychologue, psychiatre, psychothérapeute ou psychanalyste (la plupart du temps sans que soit faite la distinction entre les uns et les autres).

Where the eye mixes pou and psy

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

3 ch
pou
3 ch
psy

Look-alike desk: pou vs psy

A purely visual mix-up. pou (\pu\) and psy (\psi\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 20413, derived from the frequency rank of both members and their visual similarity.

pou is recorded at frequency rank #13,869, classified as anoun, pronounced \pu\. psy is at rank #6,544, tagged as anoun, pronounced \psi\.

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 20413, this pair ranks #368,403 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of pou vs psy

Shared letters: p. Private to "pou": ou. Private to "psy": sy.

"pou" · 3 letters · shape CVV  ·  "psy" · 3 letters · shape CCV

Frequently Asked Questions

Can "pou" and "psy" be used interchangeably?
No. They are said differently (\pu\ versus \psi\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "pou" or "psy" show up more?
"psy" is the more common of the two: it sits at frequency rank #6,544 in our French list, against #13,869 for "pou". 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 "pou" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "psy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #368,403 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "pou" and "psy" also get mixed up with nearby pairs, the highest-scored neighbour is "pio vs pou". Nearby pair

Confusion rank #368,403 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