Which to use
“1er” is an adjective and “1X” is a noun - they look or sound alike but fill different roles in a sentence.
- #893
- “1er” frequency rank
- #33,093
- “1X” frequency rank
- 33986
- confusion score
Side-by-Side Comparison
| Feature | 1er | 1X |
|---|---|---|
| Definition | Premier. | Vitesse de lecture et de gravure de disque. Elle vaut 150 ko/s pour les CD, et 1,38 Mo/s pour les DVD. |
Where the eye mixes 1er and 1X
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. 1er runs 2 letters (VC) against 1X's 1 (C) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses 1er with 1X
These two trip readers on the page rather than in the ear: 1er is \pʁə.mje\ while 1X is \œ̃.iks\. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 33986, derived from the frequency rank of both members and their visual similarity.
1er is recorded at frequency rank #893, classified as anadj, pronounced \pʁə.mje\. 1X is at rank #33,093, tagged as anoun, pronounced \œ̃.iks\.
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 33986, this pair ranks #286,922 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of 1er vs 1X
Shared letters: none. Private to "1er": er. Private to "1X": x.
"1er" · 2 letters · shape VC · "1X" · 1 letters · shape C
Frequently Asked Questions
Can "1er" and "1X" be used interchangeably?
In ordinary French text, does "1er" or "1X" show up more?
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 "1er" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "1X" - compare definitions side by side with the headword page. Word entry
- This pair ranks #286,922 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "1er" and "1X" also get mixed up with nearby pairs, the highest-scored neighbour is "1D vs 1X". Nearby pair
Confusion rank #286,922 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.