Which to use
“ensure” is a verb and “erasure” is a noun - they look or sound alike but fill different roles in a sentence.
- #2,039
- “ensure” frequency rank
- #31,968
- “erasure” frequency rank
- 34007
- confusion score
Side-by-Side Comparison
| Feature | ensure | erasure |
|---|---|---|
| Definition | To make sure or certain of something (usually some future event or condition). | The action of erasing; deletion; obliteration. |
Where the eye mixes ensure and erasure
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. ensure runs 6 letters (VCCVCV) against erasure's 7 (VCVCVCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between ensure and erasure
These two trip readers on the page rather than in the ear: ensure is /ɪnˈʃɔː(ɹ)/ while erasure is /ɪˈɹeɪʃɚ/. 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 34007, derived from the frequency rank of both members and their visual similarity.
ensure is recorded at frequency rank #2,039, classified as averb, pronounced /ɪnˈʃɔː(ɹ)/. erasure is at rank #31,968, tagged as anoun, pronounced /ɪˈɹeɪʃɚ/.
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 34007, this pair ranks #324,457 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ensure vs erasure
Shared letters: ersu. Private to "ensure": n. Private to "erasure": a.
"ensure" · 6 letters · shape VCCVCV · "erasure" · 7 letters · shape VCVCVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "ensure" for "erasure" ever safe?
In ordinary English text, does "ensure" or "erasure" show up more?
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 "ensure" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "erasure" - compare definitions side by side with the headword page. Word entry
- This pair ranks #324,457 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ensure" and "erasure" also get mixed up with nearby pairs, the highest-scored neighbour is "eraser vs erasure". 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 #324,457 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.