Which to use
“organise” is a verb and “organism” is a noun - they look or sound alike but fill different roles in a sentence.
- #15,015
- “organise” frequency rank
- #13,206
- “organism” frequency rank
- 28221
- confusion score
Side-by-Side Comparison
| Feature | organise | organism |
|---|---|---|
| Definition | Non-Oxford British standard spelling of organize. | A discrete and complete living thing, such as animal, plant, fungus or microorganism. |
Letter map: organise vs organism
Shared letters muted; letters that set organise and organism apart highlighted. Shared run: 7. organise (VCCVCVCV) and organism (VCCVCVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Role in the sentence - organise and organism
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: organise is averb and organismanoun. On the page they differ by a single letter - e in “organise” becomes m in “organism”. Our composite confusion score for this pair is 28221, derived from the frequency rank of both members and their visual similarity.
organise is recorded at frequency rank #15,015, classified as averb. organism is at rank #13,206, tagged as anoun, pronounced /ˈɔː.ɡəˌnɪz.əm/.
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 28221, this pair ranks #372,762 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of organise vs organism
Shared letters: aginors. Private to "organise": e. Private to "organism": m.
"organise" · 8 letters · shape VCCVCVCV · "organism" · 8 letters · shape VCCVCVCC
Known mistypes of this pair
Frequently Asked Questions
Do "organise" and "organism" mean the same thing in a sentence?
Frequency check: "organise" vs "organism" - which ranks higher?
Useful next steps
Pair "organise" vs "organism" is on the table, pick a follow-up below.
- Full dictionary entry for "organise" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "organism" - compare definitions side by side with the headword page. Word entry
- This pair ranks #372,762 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "organise" and "organism" also get mixed up with nearby pairs, the highest-scored neighbour is "organise vs organist". 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 #372,762 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.