OOOvsosaTell them apart

Quick tell: OOO is a noun, osa is a verb, so they fill different roles in a sentence.

Which to use

“OOO” is a noun and “osa” is a verb - they look or sound alike but fill different roles in a sentence.

#16,197
“OOO” frequency rank
#43,047
“osa” frequency rank
59244
confusion score

Side-by-Side Comparison

Feature OOO osa
Definition En vacances ou en dehors des horaires de travail, souvent utilisé dans les réponses automatiques aux emails. Troisième personne du singulier du passé simple de oser.

Letter map: OOO vs osa

Shared letters muted; letters that set OOO and osa apart highlighted. Shared run: 1.

3 ch
OOO
3 ch
osa

Role in the sentence - OOO and osa

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: OOO is anoun and osaaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 59244, derived from the frequency rank of both members and their visual similarity.

OOO is recorded at frequency rank #16,197, classified as anoun. osa is at rank #43,047, tagged as averb, pronounced \o.za\.

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 59244, this pair ranks #104,255 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of OOO vs osa

Shared letters: o. Private to "OOO": -. Private to "osa": as.

"OOO" · 3 letters · shape VVV  ·  "osa" · 3 letters · shape VCV

Frequently Asked Questions

Is swapping "OOO" for "osa" ever safe?
No - they are not even the same part of speech. "OOO" is a noun and "osa" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "OOO" or "osa" show up more?
"OOO" is the more common of the two: it sits at frequency rank #16,197 in our French list, against #43,047 for "osa". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "OOO" and "osa".

  • Full dictionary entry for "OOO" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "osa" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #104,255 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "OOO" and "osa" also get mixed up with nearby pairs, the highest-scored neighbour is "och vs osa". Nearby pair

Confusion rank #104,255 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