ObivsoseConfusable pair

Quick tell: Obi is a name, ose is a noun, so they fill different roles in a sentence.

Which to use

“Obi” is a name and “ose” is a noun - they look or sound alike but fill different roles in a sentence.

#35,620
“Obi” frequency rank
#3,950
“ose” frequency rank
39570
confusion score

Side-by-Side Comparison

Feature Obi ose
Definition Variante de Ob. 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 Obi and ose

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
Obi
3 ch
ose

Visual trap between Obi and ose

These two trip readers on the page rather than in the ear: Obi is [ɔbi] while ose is \oz\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 39570, derived from the frequency rank of both members and their visual similarity.

Obi is recorded at frequency rank #35,620, classified as aname, pronounced [ɔbi]. 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 39570, this pair ranks #246,984 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Obi vs ose

Shared letters: o. Private to "Obi": bi. Private to "ose": es.

"Obi" · 3 letters · shape VCV  ·  "ose" · 3 letters · shape VCV

Frequently Asked Questions

Is swapping "Obi" for "ose" ever safe?
No - they are not even the same part of speech. "Obi" is a name and "ose" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "Obi" or "ose" show up more?
"ose" is the more common of the two: it sits at frequency rank #3,950 in our French list, against #35,620 for "Obi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "Obi" 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 #246,984 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Obi" and "ose" also get mixed up with nearby pairs, the highest-scored neighbour is "Obi vs och". Nearby pair

Confusion rank #246,984 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list