pouxvspubTell them apart

Which to use

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

#19,111
“poux” frequency rank
#2,638
“pub” frequency rank
21749
confusion score

Side-by-Side Comparison

Feature poux pub
Definition Pluriel de pou. Message publicitaire.

Where the eye mixes poux and pub

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
poux
3 ch
pub

Visual trap between poux and pub

A purely visual mix-up. poux (\pu\) and pub (\pyb\) 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 21749, derived from the frequency rank of both members and their visual similarity.

poux is recorded at frequency rank #19,111, classified as anoun, pronounced \pu\. pub is at rank #2,638, tagged as anoun, pronounced \pyb\.

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 21749, this pair ranks #361,613 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of poux vs pub

Shared letters: pu. Private to "poux": ox. Private to "pub": b.

"poux" · 4 letters · shape CVVC  ·  "pub" · 3 letters · shape CVC

Known mistypes of this pair

  • pouxopux · pouxx · poxu · ppoux · puox

Frequently Asked Questions

Can "poux" and "pub" be used interchangeably?
No. They are said differently (\pu\ versus \pyb\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "poux" or "pub" show up more?
"pub" is the more common of the two: it sits at frequency rank #2,638 in our French list, against #19,111 for "poux". 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 "poux" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pub" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #361,613 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "poux" and "pub" also get mixed up with nearby pairs, the highest-scored neighbour is "pogo vs poux". 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 #361,613 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