injurevsinsureWhich spelling fits?

Which to use

“injure” and “insure” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#20,392
“injure” frequency rank
#17,164
“insure” frequency rank
37556
confusion score

Side-by-Side Comparison

Feature injure insure
Definition To wound or cause physical harm to a living creature. 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.

Where the eye mixes injure and insure

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. injure and insure follow the identical consonant-vowel pattern (VCCVCV). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
injure
6 ch
insure

Look-alike desk: injure vs insure

A purely visual mix-up. injure (/ˈɪn.d͡ʒɚ/) and insure (/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 - j in “injure” becomes s in “insure”. Our composite confusion score for this pair is 37556, derived from the frequency rank of both members and their visual similarity.

injure is recorded at frequency rank #20,392, classified as averb, pronounced /ˈɪn.d͡ʒɚ/. insure is at rank #17,164, 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 37556, this pair ranks #293,564 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of injure vs insure

Shared letters: einru. Private to "injure": j. Private to "insure": s.

"injure" · 6 letters · shape VCCVCV  ·  "insure" · 6 letters · shape VCCVCV

Known mistypes of this pair

  • injure ← ijnure · injjure · injrue · injuer · injurre · innjure · inujre · nijure
  • insure ← innsure · insrue · inssure · insuer · inusre · isnure · nisure

Frequently Asked Questions

Do "injure" and "insure" mean the same thing in a sentence?
No. They are said differently (/ˈɪn.d͡ʒɚ/ versus /ɪnˈʃɔː(ɹ)/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "injure" or "insure"?
"insure" is the more common of the two: it sits at frequency rank #17,164 in our English list, against #20,392 for "injure". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "injure" and "insure" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "injure" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "insure" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #293,564 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "injure" and "insure" also get mixed up with nearby pairs, the highest-scored neighbour is "injure vs Inoue". 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 #293,564 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list