ouvsoxWhich spelling fits?

Quick tell: ou is a conjunction, ox is a noun, so they fill different roles in a sentence.

Which to use

“ou” is a conjunction and “ox” is a noun - they look or sound alike but fill different roles in a sentence.

#45
“ou” frequency rank
#40,903
“ox” frequency rank
40948
confusion score

Side-by-Side Comparison

Feature ou ox
Definition Indique une disjonction inclusive sur plusieurs concepts quand la cohabitation des concepts est envisageable : un ou plus dans la liste sont envisageables à la fois. Bœuf.

Where the eye mixes ou and ox

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

2 ch
ou
2 ch
ox

Why the eye confuses ou with ox

These two trip readers on the page rather than in the ear: ou is \u\ while ox is \ɒks\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - u in “ou” becomes x in “ox”, and the parts of speech differ too (conjunction vs noun), which is usually the fastest check. Our composite confusion score for this pair is 40948, derived from the frequency rank of both members and their visual similarity.

ou is recorded at frequency rank #45, classified as aconj, pronounced \u\. ox is at rank #40,903, tagged as anoun, pronounced \ɒks\.

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 40948, this pair ranks #236,739 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ou vs ox

Shared letters: o. Private to "ou": u. Private to "ox": x.

"ou" · 2 letters · shape VV  ·  "ox" · 2 letters · shape VC

Frequently Asked Questions

Is swapping "ou" for "ox" ever safe?
No - they are not even the same part of speech. "ou" is a conjunction and "ox" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "ou" vs "ox" - which ranks higher?
"ou" is the more common of the two: it sits at frequency rank #45 in our French list, against #40,903 for "ox". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "ou" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ox" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #236,739 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ou" and "ox" also get mixed up with nearby pairs, the highest-scored neighbour is "och vs ox". Nearby pair

Confusion rank #236,739 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