périvspetroTell them apart

Which to use

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

#12,649
“péri” frequency rank
#39,935
“petro” frequency rank
52584
confusion score

Side-by-Side Comparison

Feature péri petro
Definition Génie féminin qui, dans les contes persans, joue un rôle analogue à celui des fées dans les contes occidentaux. Monnaie virtuelle émise par le Venezuela.

Where the eye mixes péri and petro

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

4 ch
péri
5 ch
petro

Visual trap between péri and petro

A purely visual mix-up. péri (\pe.ʁi\) and petro (\pe.tʁo\) 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 52584, derived from the frequency rank of both members and their visual similarity.

péri is recorded at frequency rank #12,649, classified as anoun, pronounced \pe.ʁi\. petro is at rank #39,935, tagged as anoun, pronounced \pe.tʁo\.

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 52584, this pair ranks #146,686 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of péri vs petro

Shared letters: pr. Private to "péri": . Private to "petro": eot.

"péri" · 4 letters · shape CVCV  ·  "petro" · 5 letters · shape CVCCV

Known mistypes of this pair

  • petroeptro · perto · petor · petrro · pettro · ppetro · ptero

Frequently Asked Questions

Is swapping "péri" for "petro" ever safe?
No. They are said differently (\pe.ʁi\ versus \pe.tʁo\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "péri" or "petro"?
"péri" is the more common of the two: it sits at frequency rank #12,649 in our French list, against #39,935 for "petro". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "péri" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "petro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #146,686 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "péri" and "petro" also get mixed up with nearby pairs, the highest-scored neighbour is "pètes vs petro". 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 #146,686 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