orgavsosaConfusable pair

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

Which to use

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

#35,624
“orga” frequency rank
#43,047
“osa” frequency rank
78671
confusion score

Side-by-Side Comparison

Feature orga osa
Definition Organique. Troisième personne du singulier du passé simple de oser.

Where the eye mixes orga and osa

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
orga
3 ch
osa

Look-alike desk: orga vs osa

These two trip readers on the page rather than in the ear: orga is \ɔʁ.ɡa\ while osa is \o.za\. 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 verb), which is usually the fastest check. Our composite confusion score for this pair is 78671, derived from the frequency rank of both members and their visual similarity.

orga is recorded at frequency rank #35,624, classified as anadj, pronounced \ɔʁ.ɡa\. 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 78671, this pair ranks #25,159 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of orga vs osa

Shared letters: ao. Private to "orga": gr. Private to "osa": s.

"orga" · 4 letters · shape VCCV  ·  "osa" · 3 letters · shape VCV

Known mistypes of this pair

  • orgaogra · orag · orgga · orrga · roga

Frequently Asked Questions

Is swapping "orga" for "osa" ever safe?
No - they are not even the same part of speech. "orga" is an adjective and "osa" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "orga" vs "osa" - which ranks higher?
"orga" is the more common of the two: it sits at frequency rank #35,624 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.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "orga" 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 #25,159 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "orga" and "osa" also get mixed up with nearby pairs, the highest-scored neighbour is "och vs osa". 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 #25,159 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