ploufvspouWhich spelling fits?

Which to use

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

#43,072
“plouf” frequency rank
#13,869
“pou” frequency rank
56941
confusion score

Side-by-Side Comparison

Feature plouf pou
Definition Bruit de ce qui tombe dans un liquide. 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.

Where the eye mixes plouf and pou

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. plouf runs 5 letters (CCVVC) against pou's 3 (CVV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
plouf
3 ch
pou

Why the eye confuses plouf with pou

A purely visual mix-up. plouf (\pluf\) and pou (\pu\) 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 2 letter(s) in length. Our composite confusion score for this pair is 56941, derived from the frequency rank of both members and their visual similarity.

plouf is recorded at frequency rank #43,072, classified as anoun, pronounced \pluf\. pou is at rank #13,869, tagged as anoun, pronounced \pu\.

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 56941, this pair ranks #118,018 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of plouf vs pou

Shared letters: opu. Private to "plouf": fl. Private to "pou": -.

"plouf" · 5 letters · shape CCVVC  ·  "pou" · 3 letters · shape CVV

Known mistypes of this pair

  • plouf ← lpouf · pllouf · plofu · plouff · pluof · poluf · pplouf

Frequently Asked Questions

Can "plouf" and "pou" be used interchangeably?
No. They are said differently (\pluf\ versus \pu\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "plouf" or "pou"?
"pou" is the more common of the two: it sits at frequency rank #13,869 in our French list, against #43,072 for "plouf". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "plouf" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pou" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #118,018 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "plouf" and "pou" also get mixed up with nearby pairs, the highest-scored neighbour is "plouf vs proud". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #118,018 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