PCBvspusConfusable pair

Which to use

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

#45,779
“PCB” frequency rank
#13,881
“pus” frequency rank
59660
confusion score

Side-by-Side Comparison

Feature PCB pus
Definition Polychlorobiphényle. Matière liquide, épaisse, blanchâtre, qui se forme dans les abcès, qui sort des plaies et des ulcères.

Where the eye mixes PCB and pus

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

3 ch
PCB
3 ch
pus

Visual trap between PCB and pus

A purely visual mix-up. PCB (\pe.se.be\) and pus (\py\) 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 59660, derived from the frequency rank of both members and their visual similarity.

PCB is recorded at frequency rank #45,779, classified as anoun, pronounced \pe.se.be\. pus is at rank #13,881, tagged as anoun, pronounced \py\.

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 59660, this pair ranks #101,908 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of PCB vs pus

Shared letters: p. Private to "PCB": bc. Private to "pus": su.

"PCB" · 3 letters · shape CCC  ·  "pus" · 3 letters · shape CVC

Frequently Asked Questions

Can "PCB" and "pus" be used interchangeably?
No. They are said differently (\pe.se.be\ versus \py\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "PCB" or "pus" show up more?
"pus" is the more common of the two: it sits at frequency rank #13,881 in our French list, against #45,779 for "PCB". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "PCB" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #101,908 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "PCB" and "pus" also get mixed up with nearby pairs, the highest-scored neighbour is "PCB vs pio". Nearby pair

Confusion rank #101,908 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