prionsvsprisonTell them apart

Which to use

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

#15,466
“prions” frequency rank
#951
“prison” frequency rank
16417
confusion score

Side-by-Side Comparison

Feature prions prison
Definition Pluriel de prion. Endroit clos où sont enfermées les personnes condamnées à une peine de privation de liberté ou les prévenus en attente de jugement.

Where the eye mixes prions and prison

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
prions
6 ch
prison

Why the eye confuses prions with prison

A purely visual mix-up. prions (\pʁi.jɔ̃\) and prison (\pʁi.zɔ̃\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they are an anagram pair: the same letters reordered. Our composite confusion score for this pair is 16417, derived from the frequency rank of both members and their visual similarity.

prions is recorded at frequency rank #15,466, classified as anoun, pronounced \pʁi.jɔ̃\. prison is at rank #951, tagged as anoun, pronounced \pʁi.zɔ̃\.

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 16417, this pair ranks #387,943 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of prions vs prison

Shared letters: inoprs. Private to "prions": -. Private to "prison": -.

"prions" · 6 letters · shape CCVVCC  ·  "prison" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • prionspirons · pprions · prinos · prionns · prionss · proins · prrions · rpions
  • prisonpirson · pprison · priosn · prisno · prisonn · prisson · prrison · prsion

Frequently Asked Questions

Do "prions" and "prison" mean the same thing in a sentence?
No. They are said differently (\pʁi.jɔ̃\ versus \pʁi.zɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "prions" or "prison"?
"prison" is the more common of the two: it sits at frequency rank #951 in our French list, against #15,466 for "prions". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "prions" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prison" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #387,943 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "prions" and "prison" also get mixed up with nearby pairs, the highest-scored neighbour is "peins vs prions". 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 #387,943 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