Which to use
“self” is a noun and “sem” is a preposition - they look or sound alike but fill different roles in a sentence.
- #11,301
- “self” frequency rank
- #19,985
- “sem” frequency rank
- 31286
- confusion score
Side-by-Side Comparison
| Feature | self | sem |
|---|---|---|
| Definition | Abréviation de « self-service ». | Sans. |
Where the eye mixes self and sem
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses self with sem
These two trip readers on the page rather than in the ear: self is \sɛlf\ while sem is \sɐ̃j\. 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 (noun vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 31286, derived from the frequency rank of both members and their visual similarity.
self is recorded at frequency rank #11,301, classified as anoun, pronounced \sɛlf\. sem is at rank #19,985, tagged as aprep, pronounced \sɐ̃j\.
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 31286, this pair ranks #304,747 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of self vs sem
Shared letters: es. Private to "self": fl. Private to "sem": m.
"self" · 4 letters · shape CVCC · "sem" · 3 letters · shape CVC
Known mistypes of this pair
- self ← eslf · sefl · selff · sellf · slef · sself
Frequently Asked Questions
Do "self" and "sem" mean the same thing in a sentence?
In ordinary French text, does "self" or "sem" show up more?
Useful next steps
Eye-level mix-up between "self" and "sem" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "self" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sem" - compare definitions side by side with the headword page. Word entry
- This pair ranks #304,747 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "self" and "sem" also get mixed up with nearby pairs, the highest-scored neighbour is "sem vs suu". 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 #304,747 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.