OvsoufWhat's the difference?

Quick tell: O is a symbol, ouf is an intj, so they fill different roles in a sentence.

Which to use

“O” is a symbol and “ouf” is an intj - they look or sound alike but fill different roles in a sentence.

#807
“O” frequency rank
#6,865
“ouf” frequency rank
7672
confusion score

Side-by-Side Comparison

Feature O ouf
Definition En logique, symbole de la proposition particulière négative. Marque le soulagement.

Letter map: O vs ouf

Shared letters muted; letters that set O and ouf apart highlighted. Shared run: 1.

1 ch
O
3 ch
ouf

Role in the sentence - O and ouf

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: O is asymbol and oufanintj. On the page they differ by 2 extra letter(s) - “O” sits inside “ouf”. Our composite confusion score for this pair is 7672, derived from the frequency rank of both members and their visual similarity.

O is recorded at frequency rank #807, classified as asymbol. ouf is at rank #6,865, tagged as anintj, pronounced \uf\.

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 7672, this pair ranks #422,483 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of O vs ouf

Shared letters: o. Private to "O": -. Private to "ouf": fu.

"O" · 1 letters · shape V  ·  "ouf" · 3 letters · shape VVC

Frequently Asked Questions

Is swapping "O" for "ouf" ever safe?
No - they are not even the same part of speech. "O" is a symbol and "ouf" an intj, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "O" vs "ouf" - which ranks higher?
"O" is the more common of the two: it sits at frequency rank #807 in our French list, against #6,865 for "ouf". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "O" and "ouf".

  • Full dictionary entry for "O" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ouf" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #422,483 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "O" and "ouf" also get mixed up with nearby pairs, the highest-scored neighbour is "och vs ouf". Nearby pair

Confusion rank #422,483 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