Which to use
“permanent” and “pertinent” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #5,059
- “permanent” frequency rank
- #11,457
- “pertinent” frequency rank
- 16516
- confusion score
Side-by-Side Comparison
| Feature | permanent | pertinent |
|---|---|---|
| Definition | Qui est stable, immuable, qui dure sans changer, qui dure constamment. | Qui est tel qu’il convient, qui est approprié, qui est en rapport avec le sujet. |
Where the eye mixes permanent and pertinent
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. permanent and pertinent follow the identical consonant-vowel pattern (CVCCVCVCC). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses permanent with pertinent
A purely visual mix-up. permanent (\pɛʁ.ma.nɑ̃\) and pertinent (\pɛʁ.ti.nɑ̃\) 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 16516, derived from the frequency rank of both members and their visual similarity.
permanent is recorded at frequency rank #5,059, classified as anadj, pronounced \pɛʁ.ma.nɑ̃\. pertinent is at rank #11,457, tagged as anadj, pronounced \pɛʁ.ti.nɑ̃\.
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 16516, this pair ranks #387,486 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of permanent vs pertinent
Shared letters: enprt. Private to "permanent": am. Private to "pertinent": i.
"permanent" · 9 letters · shape CVCCVCVCC · "pertinent" · 9 letters · shape CVCCVCVCC
Known mistypes of this pair
Frequently Asked Questions
Do "permanent" and "pertinent" mean the same thing in a sentence?
Which is more common, "permanent" or "pertinent"?
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 "permanent" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "pertinent" - compare definitions side by side with the headword page. Word entry
- This pair ranks #387,486 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "permanent" and "pertinent" also get mixed up with nearby pairs, the highest-scored neighbour is "périrent vs pertinent". 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 #387,486 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.