PiervspieuxWhat's the difference?

Quick tell: Pier is a name, pieux is an adjective, so they fill different roles in a sentence.

Which to use

“Pier” is a name and “pieux” is an adjective - they look or sound alike but fill different roles in a sentence.

#22,372
“Pier” frequency rank
#13,229
“pieux” frequency rank
35601
confusion score

Side-by-Side Comparison

Feature Pier pieux
Definition Nom de famille. Qui a de la piété ; qui est attaché aux croyances, aux devoirs et aux pratiques de la religion.

Where the eye mixes Pier and pieux

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
Pier
5 ch
pieux

Look-alike desk: Pier vs pieux

These two trip readers on the page rather than in the ear: Pier is \pjɛʁ\ while pieux is \pjø\. 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 (name vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 35601, derived from the frequency rank of both members and their visual similarity.

Pier is recorded at frequency rank #22,372, classified as aname, pronounced \pjɛʁ\. pieux is at rank #13,229, tagged as anadj, pronounced \pjø\.

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 35601, this pair ranks #275,536 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Pier vs pieux

Shared letters: eip. Private to "Pier": r. Private to "pieux": ux.

"Pier" · 4 letters · shape CVVC  ·  "pieux" · 5 letters · shape CVVVC

Known mistypes of this pair

  • Pieriper · peir · pierr
  • pieuxipeux · peiux · pieuxx · piexu · piuex · ppieux

Frequently Asked Questions

Do "Pier" and "pieux" mean the same thing in a sentence?
No - they are not even the same part of speech. "Pier" is a name and "pieux" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Pier" or "pieux"?
"pieux" is the more common of the two: it sits at frequency rank #13,229 in our French list, against #22,372 for "Pier". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "Pier" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pieux" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #275,536 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Pier" and "pieux" also get mixed up with nearby pairs, the highest-scored neighbour is "Pier vs prep". 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 #275,536 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