organiservsorganismeWhich spelling fits?

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

Which to use

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

#2,728
“organiser” frequency rank
#2,437
“organisme” frequency rank
5165
confusion score

Side-by-Side Comparison

Feature organiser organisme
Definition Disposer les parties d’un corps pour les fonctions auxquelles il est destiné. Être vivant individuel, unicellulaire ou pluricellulaire, possédant une organisation interne autonome lui permettant d'accomplir ses fonctions vitales.

Where the eye mixes organiser and organisme

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. organiser (VCCVCVCVC) and organisme (VCCVCVCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

9 ch
organiser
9 ch
organisme

Look-alike desk: organiser vs organisme

These two trip readers on the page rather than in the ear: organiser is \ɔʁ.ga.ni.ze\ while organisme is \ɔʁ.ɡa.nism\. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 5165, derived from the frequency rank of both members and their visual similarity.

organiser is recorded at frequency rank #2,728, classified as averb, pronounced \ɔʁ.ga.ni.ze\. organisme is at rank #2,437, tagged as anoun, pronounced \ɔʁ.ɡa.nism\.

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 5165, this pair ranks #429,729 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of organiser vs organisme

Shared letters: aeginors. Private to "organiser": -. Private to "organisme": m.

"organiser" · 9 letters · shape VCCVCVCVC  ·  "organisme" · 9 letters · shape VCCVCVCCV

Known mistypes of this pair

  • organiser ← ograniser · oragniser · orgainser · organiesr · organiserr · organisre · organisser · organniser
  • organisme ← ogranisme · oragnisme · orgainsme · organimse · organisem · organismme · organissme · organnisme

Frequently Asked Questions

Do "organiser" and "organisme" mean the same thing in a sentence?
No - they are not even the same part of speech. "organiser" is a verb and "organisme" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "organiser" or "organisme"?
"organisme" is the more common of the two: it sits at frequency rank #2,437 in our French list, against #2,728 for "organiser". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "organiser" and "organisme" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "organiser" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "organisme" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #429,729 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "organiser" and "organisme" also get mixed up with nearby pairs, the highest-scored neighbour is "organiser vs organisez". 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 #429,729 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