Which to use
“regulate” is a verb and “regulator” is a noun - they look or sound alike but fill different roles in a sentence.
- #8,716
- “regulate” frequency rank
- #12,668
- “regulator” frequency rank
- 21384
- confusion score
Side-by-Side Comparison
| Feature | regulate | regulator |
|---|---|---|
| Definition | To dictate policy. | A device that controls or limits something. |
Where the eye mixes regulate and regulator
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.
Why the eye confuses regulate with regulator
These two trip readers on the page rather than in the ear: regulate is /ˈɹɛɡjəleɪ̯t/ while regulator is /ˈɹɛɡ.jʊ.leɪ.tə/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 21384, derived from the frequency rank of both members and their visual similarity.
regulate is recorded at frequency rank #8,716, classified as averb, pronounced /ˈɹɛɡjəleɪ̯t/. regulator is at rank #12,668, tagged as anoun, pronounced /ˈɹɛɡ.jʊ.leɪ.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 21384, this pair ranks #424,307 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of regulate vs regulator
Shared letters: aeglrtu. Private to "regulate": -. Private to "regulator": o.
"regulate" · 8 letters · shape CVCVCVCV · "regulator" · 9 letters · shape CVCVCVCVC
Known mistypes of this pair
Frequently Asked Questions
Can "regulate" and "regulator" be used interchangeably?
Which is more common, "regulate" or "regulator"?
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 "regulate" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "regulator" - compare definitions side by side with the headword page. Word entry
- This pair ranks #424,307 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "regulate" and "regulator" also get mixed up with nearby pairs, the highest-scored neighbour is "regulates vs regulator". 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 #424,307 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.