Which to use
“enquire” and “ensure” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #32,376
- “enquire” frequency rank
- #2,039
- “ensure” frequency rank
- 34415
- confusion score
Side-by-Side Comparison
| Feature | enquire | ensure |
|---|---|---|
| Definition | British English form of inquire. | To make sure or certain of something (usually some future event or condition). |
Where the eye mixes enquire and ensure
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. enquire runs 7 letters (VCCVVCV) against ensure's 6 (VCCVCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between enquire and ensure
A purely visual mix-up. enquire (/ɛnˈkwaɪə/) and ensure (/ɪnˈʃɔː(ɹ)/) 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 34415, derived from the frequency rank of both members and their visual similarity.
enquire is recorded at frequency rank #32,376, classified as averb, pronounced /ɛnˈkwaɪə/. ensure is at rank #2,039, tagged as averb, pronounced /ɪnˈʃɔː(ɹ)/.
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 34415, this pair ranks #320,986 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of enquire vs ensure
Shared letters: enru. Private to "enquire": iq. Private to "ensure": s.
"enquire" · 7 letters · shape VCCVVCV · "ensure" · 6 letters · shape VCCVCV
Known mistypes of this pair
Frequently Asked Questions
Do "enquire" and "ensure" mean the same thing in a sentence?
Which is more common, "enquire" or "ensure"?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "enquire" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ensure" - compare definitions side by side with the headword page. Word entry
- This pair ranks #320,986 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "enquire" and "ensure" also get mixed up with nearby pairs, the highest-scored neighbour is "enquire vs enquirer". 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 #320,986 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.