Which to use
“insure” is a verb and “issue” is a noun - they look or sound alike but fill different roles in a sentence.
- #17,164
- “insure” frequency rank
- #589
- “issue” frequency rank
- 17753
- confusion score
Side-by-Side Comparison
| Feature | insure | issue |
|---|---|---|
| Definition | To provide for compensation if some specified risk occurs. Often agreed by policy (contract) to offer financial compensation in case of an accident, theft or other undesirable event. | The action or an instance of flowing or coming out, an outflow |
Where the eye mixes insure and issue
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Why the eye confuses insure with issue
These two trip readers on the page rather than in the ear: insure is /ɪnˈʃɔː(ɹ)/ while issue is /ˈɪʃuː/. 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 17753, derived from the frequency rank of both members and their visual similarity.
insure is recorded at frequency rank #17,164, classified as averb, pronounced /ɪnˈʃɔː(ɹ)/. issue is at rank #589, tagged as anoun, pronounced /ˈɪʃuː/.
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 17753, this pair ranks #449,391 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of insure vs issue
Shared letters: eisu. Private to "insure": nr. Private to "issue": -.
"insure" · 6 letters · shape VCCVCV · "issue" · 5 letters · shape VCCVV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "insure" for "issue" ever safe?
Frequency check: "insure" vs "issue" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "insure" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "issue" - compare definitions side by side with the headword page. Word entry
- This pair ranks #449,391 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "insure" and "issue" also get mixed up with nearby pairs, the highest-scored neighbour is "Inoue vs insure". 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 #449,391 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.