Which to use
“patrol” and “petrol” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #5,720
- “patrol” frequency rank
- #10,905
- “petrol” frequency rank
- 16625
- confusion score
Side-by-Side Comparison
| Feature | patrol | petrol |
|---|---|---|
| Definition | A going of the rounds along the chain of sentinels and between the posts, by a guard, usually consisting of three or four men, to insure greater security from attacks on the outposts. | A fluid consisting of a mixture of refined petroleum hydrocarbons, primarily consisting of octane, commonly used as a motor fuel. |
Where the eye mixes patrol and petrol
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. patrol and petrol follow the identical consonant-vowel pattern (CVCCVC). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses patrol with petrol
A purely visual mix-up. patrol (/pəˈtɹəʊl/) and petrol (/ˈpɛt.ɹəl/) 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 a single letter - a in “patrol” becomes e in “petrol”. Our composite confusion score for this pair is 16625, derived from the frequency rank of both members and their visual similarity.
patrol is recorded at frequency rank #5,720, classified as anoun, pronounced /pəˈtɹəʊl/. petrol is at rank #10,905, tagged as anoun, pronounced /ˈpɛt.ɹəl/.
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 16625, this pair ranks #456,588 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of patrol vs petrol
Shared letters: loprt. Private to "patrol": a. Private to "petrol": e.
"patrol" · 6 letters · shape CVCCVC · "petrol" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "patrol" and "petrol" be used interchangeably?
Which is more common, "patrol" or "petrol"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "patrol" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "petrol" - compare definitions side by side with the headword page. Word entry
- This pair ranks #456,588 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "patrol" and "petrol" also get mixed up with nearby pairs, the highest-scored neighbour is "Perot vs petrol". 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 #456,588 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.