Which to use
“1” is an article and “1X” is a noun - they look or sound alike but fill different roles in a sentence.
- #98
- “1” frequency rank
- #33,093
- “1X” frequency rank
- 33191
- confusion score
Side-by-Side Comparison
| Feature | 1 | 1X |
|---|---|---|
| Definition | Un, une. | 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 1 and 1X
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. 1 runs 0 letters () 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 1 with 1X
These two trip readers on the page rather than in the ear: 1 is \œ̃\ while 1X is \œ̃.iks\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “1” sits inside “1X”, and the parts of speech differ too (article vs noun), which is usually the fastest check. Our composite confusion score for this pair is 33191, derived from the frequency rank of both members and their visual similarity.
1 is recorded at frequency rank #98, classified as anarticle, pronounced \œ̃\. 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 33191, this pair ranks #292,276 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of 1 vs 1X
Shared letters: none. Private to "1": -. Private to "1X": x.
"1" · 0 letters · shape · "1X" · 1 letters · shape C
Frequently Asked Questions
Is swapping "1" for "1X" ever safe?
Frequency check: "1" vs "1X" - which ranks higher?
After this comparison
Eye-level mix-up between "1" and "1X" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "1" 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 #292,276 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "1" and "1X" also get mixed up with nearby pairs, the highest-scored neighbour is "1D vs 1X". Nearby pair
Confusion rank #292,276 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.