Which to use
“endure” and “ensure” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #9,328
- “endure” frequency rank
- #2,039
- “ensure” frequency rank
- 11367
- confusion score
Side-by-Side Comparison
| Feature | endure | ensure |
|---|---|---|
| Definition | To continue or carry on, despite obstacles or hardships; to persist. | To make sure or certain of something (usually some future event or condition). |
Where the eye mixes endure and ensure
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. endure and ensure follow the identical consonant-vowel pattern (VCCVCV). Same shape at a glance is often the real trap, independent of shared letters.
Look-alike desk: endure vs ensure
A purely visual mix-up. endure (/ɪnˈd͡ʒʊə(ɹ)/) 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 a single letter - d in “endure” becomes s in “ensure”. Our composite confusion score for this pair is 11367, derived from the frequency rank of both members and their visual similarity.
endure is recorded at frequency rank #9,328, classified as averb, pronounced /ɪnˈd͡ʒʊə(ɹ)/. 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 11367, this pair ranks #487,442 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of endure vs ensure
Shared letters: enru. Private to "endure": d. Private to "ensure": s.
"endure" · 6 letters · shape VCCVCV · "ensure" · 6 letters · shape VCCVCV
Known mistypes of this pair
Frequently Asked Questions
Can "endure" and "ensure" be used interchangeably?
Which is more common, "endure" 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 "endure" 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 #487,442 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "endure" and "ensure" also get mixed up with nearby pairs, the highest-scored neighbour is "Enders vs endure". 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 #487,442 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.