insertvsinsureWhat's the difference?

Which to use

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

#7,019
“insert” frequency rank
#17,164
“insure” frequency rank
24183
confusion score

Side-by-Side Comparison

Feature insert insure
Definition To put in between or into. 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 insert and insure

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
insert
6 ch
insure

Visual trap between insert and insure

A purely visual mix-up. insert (/ɪnˈsɜːt/) 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 24183, derived from the frequency rank of both members and their visual similarity.

insert is recorded at frequency rank #7,019, classified as averb, pronounced /ɪnˈsɜːt/. 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 24183, this pair ranks #403,882 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of insert vs insure

Shared letters: einrs. Private to "insert": t. Private to "insure": u.

"insert" · 6 letters · shape VCCVCC  ·  "insure" · 6 letters · shape VCCVCV

Known mistypes of this pair

  • insertinesrt · innsert · inserrt · insertt · insetr · insret · inssert · isnert
  • insureinnsure · insrue · inssure · insuer · inusre · isnure · nisure

Frequently Asked Questions

Can "insert" and "insure" be used interchangeably?
No. They are said differently (/ɪnˈsɜːt/ versus /ɪnˈʃɔː(ɹ)/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "insert" or "insure"?
"insert" is the more common of the two: it sits at frequency rank #7,019 in our English list, against #17,164 for "insure". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "insert" 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 #403,882 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "insert" and "insure" 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 #403,882 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