pourvspusWhich spelling fits?

Quick tell: pour is a preposition, pus is a noun, so they fill different roles in a sentence.

Which to use

“pour” is a preposition and “pus” is a noun - they look or sound alike but fill different roles in a sentence.

#19
“pour” frequency rank
#13,881
“pus” frequency rank
13900
confusion score

Side-by-Side Comparison

Feature pour pus
Definition Au motif de ; dans le but de ; afin de ; à destination de. Matière liquide, épaisse, blanchâtre, qui se forme dans les abcès, qui sort des plaies et des ulcères.

Where the eye mixes pour and pus

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

4 ch
pour
3 ch
pus

Why the eye confuses pour with pus

These two trip readers on the page rather than in the ear: pour is \puʁ\ while pus is \py\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (preposition vs noun), which is usually the fastest check. Our composite confusion score for this pair is 13900, derived from the frequency rank of both members and their visual similarity.

pour is recorded at frequency rank #19, classified as aprep, pronounced \puʁ\. 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 13900, this pair ranks #399,041 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of pour vs pus

Shared letters: pu. Private to "pour": or. Private to "pus": s.

"pour" · 4 letters · shape CVVC  ·  "pus" · 3 letters · shape CVC

Known mistypes of this pair

  • pouropur · poru · pourr · ppour · puor

Frequently Asked Questions

Can "pour" and "pus" be used interchangeably?
No - they are not even the same part of speech. "pour" is a preposition and "pus" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "pour" vs "pus" - which ranks higher?
"pour" is the more common of the two: it sits at frequency rank #19 in our French list, against #13,881 for "pus". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "pour" and "pus" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "pour" 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 #399,041 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "pour" and "pus" also get mixed up with nearby pairs, the highest-scored neighbour is "pio vs pus". 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 #399,041 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