Which to use
“rector” and “rotor” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #18,673
- “rector” frequency rank
- #16,789
- “rotor” frequency rank
- 35462
- confusion score
Side-by-Side Comparison
| Feature | rector | rotor |
|---|---|---|
| Definition | In the Anglican Church, a cleric in charge of a parish and who owns the tithes of it. | A rotating part of a mechanical device; for example, in an electric motor, generator, alternator, or pump. |
Where the eye mixes rector and rotor
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Visual trap between rector and rotor
A purely visual mix-up. rector (/ˈɹɛktɚ/) and rotor (/ˈɹəʊ.tə/) 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 35462, derived from the frequency rank of both members and their visual similarity.
rector is recorded at frequency rank #18,673, classified as anoun, pronounced /ˈɹɛktɚ/. rotor is at rank #16,789, tagged as anoun, pronounced /ˈɹəʊ.tə/.
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 35462, this pair ranks #311,710 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of rector vs rotor
Shared letters: ort. Private to "rector": ce. Private to "rotor": -.
"rector" · 6 letters · shape CVCCVC · "rotor" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "rector" for "rotor" ever safe?
Frequency check: "rector" vs "rotor" - which ranks higher?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "rector" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rotor" - compare definitions side by side with the headword page. Word entry
- This pair ranks #311,710 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "rector" and "rotor" also get mixed up with nearby pairs, the highest-scored neighbour is "rood vs rotor". 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 #311,710 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.