Which to use
“open” is an adjective and “ose” is a noun - they look or sound alike but fill different roles in a sentence.
- #3,628
- “open” frequency rank
- #3,950
- “ose” frequency rank
- 7578
- confusion score
Side-by-Side Comparison
| Feature | open | ose |
|---|---|---|
| Definition | Ouvert (d’esprit). | Nom générique donné aux substances organiques non hydrolysables possédant un groupe réducteur, aldéhyde ou cétone, et plus de deux fonctions alcooliques. On les divise en trioses, tétroses, pentoses, hexoses et heptoses… suivant qu’ils renferment 3, 4, 5, 6 ou 7… atomes de carbone. On les distingue aussi en aldoses et cétoses suivant qu’ils ont des fonctions aldéhydes ou cétoniques. |
Where the eye mixes open and ose
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses open with ose
These two trip readers on the page rather than in the ear: open is \ɔ.pœn\ while ose is \oz\. 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 7578, derived from the frequency rank of both members and their visual similarity.
open is recorded at frequency rank #3,628, classified as anadj, pronounced \ɔ.pœn\. ose is at rank #3,950, tagged as anoun, pronounced \oz\.
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 7578, this pair ranks #422,743 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of open vs ose
Shared letters: eo. Private to "open": np. Private to "ose": s.
"open" · 4 letters · shape VCVC · "ose" · 3 letters · shape VCV
Known mistypes of this pair
- open ← oepn · openn · opne · oppen · poen
Frequently Asked Questions
Can "open" and "ose" be used interchangeably?
In ordinary French text, does "open" or "ose" show up more?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "open" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ose" - compare definitions side by side with the headword page. Word entry
- This pair ranks #422,743 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "open" and "ose" also get mixed up with nearby pairs, the highest-scored neighbour is "och vs ose". 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 #422,743 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.