Which to use
“derivation” and “deviation” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #27,428
- “derivation” frequency rank
- #17,119
- “deviation” frequency rank
- 44547
- confusion score
Side-by-Side Comparison
| Feature | derivation | deviation |
|---|---|---|
| Definition | A leading or drawing off of water from a stream or source. | The act of deviating; wandering off the correct or true path or road. |
Where the eye mixes derivation and deviation
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence.
Visual trap between derivation and deviation
A purely visual mix-up. derivation (/ˌdɛ.ɹɪˈveɪ.ʃ(ə)n/) and deviation (/ˌdiː.viˈeɪʃən/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 44547, derived from the frequency rank of both members and their visual similarity.
derivation is recorded at frequency rank #27,428, classified as anoun, pronounced /ˌdɛ.ɹɪˈveɪ.ʃ(ə)n/. deviation is at rank #17,119, tagged as anoun, pronounced /ˌdiː.viˈeɪʃən/.
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 44547, this pair ranks #229,506 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of derivation vs deviation
Shared letters: adeinotv. Private to "derivation": r. Private to "deviation": -.
"derivation" · 10 letters · shape CVCVCVCVVC · "deviation" · 9 letters · shape CVCVVCVVC
Known mistypes of this pair
- derivation ← dderivation · deirvation · deriavtion · derivaiton · derivasion · derivatino · derivationn · derivatoin
- deviation ← ddeviation · deivation · devaition · deviaiton · deviasion · deviatino · deviationn · deviatoin
Frequently Asked Questions
Is swapping "derivation" for "deviation" ever safe?
Frequency check: "derivation" vs "deviation" - which ranks higher?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "derivation" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "deviation" - compare definitions side by side with the headword page. Word entry
- This pair ranks #229,506 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "derivation" and "deviation" also get mixed up with nearby pairs, the highest-scored neighbour is "deviation vs divination". 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 #229,506 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.