Which to use
“obus” is a noun and “OMS” is a name - they look or sound alike but fill different roles in a sentence.
- #10,757
- “obus” frequency rank
- #12,207
- “OMS” frequency rank
- 22964
- confusion score
Side-by-Side Comparison
| Feature | obus | OMS |
|---|---|---|
| Definition | Projectile creux, en forme de cylindre terminé par un cône, rempli de matière explosive. | Organisation mondiale de la santé. |
Where the eye mixes obus and OMS
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses obus with OMS
These two trip readers on the page rather than in the ear: obus is \ɔ.by\ while OMS is \o.ɛm.ɛs\. 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 name), which is usually the fastest check. Our composite confusion score for this pair is 22964, derived from the frequency rank of both members and their visual similarity.
obus is recorded at frequency rank #10,757, classified as anoun, pronounced \ɔ.by\. OMS is at rank #12,207, tagged as aname, pronounced \o.ɛm.ɛs\.
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 22964, this pair ranks #355,139 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of obus vs OMS
Shared letters: os. Private to "obus": bu. Private to "OMS": m.
"obus" · 4 letters · shape VCVC · "OMS" · 3 letters · shape VCC
Known mistypes of this pair
- obus ← bous · obbus · obsu · obuss · oubs
Frequently Asked Questions
Can "obus" and "OMS" be used interchangeably?
In ordinary French text, does "obus" or "OMS" show up more?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "obus" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "OMS" - compare definitions side by side with the headword page. Word entry
- This pair ranks #355,139 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "obus" and "OMS" also get mixed up with nearby pairs, the highest-scored neighbour is "och vs OMS". 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 #355,139 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.