English homophones

ensure/insure

"ensure" (#2,039 written frequency) beats "insure" (#17,164) in this 2-word /ɪnˈʃɔː(ɹ)/ cluster. Size rank #133 of 1,007 English groups.

Data vintage

Frequency splits the cluster

These 2 spellings keep the same /ɪnˈʃɔː(ɹ)/ reading, but written frequency splits them hard: "ensure" leads at #2,039, with "insure" trailing at #17,164.

Spelling pairs in this cluster

  • No shared spelling stem: "ensure" is 6 letters, "insure" is 6; only the sound ties them.

Orthographic DNA of this cluster

Shared letters across ensure, insure: enrsu. Private letters are the ones only one spelling owns: the eye's fastest tell once sound is out of the picture.

  • ensure

    6 letters · 3 vowels · shape VCCVCV

    Inventory enrsu · no private letters vs siblings

  • insure

    6 letters · 3 vowels · shape VCCVCV

    Inventory einrsu · private i

Pick the spelling from the meaning

  • Write "ensure" when you mean: To make sure or certain of something (usually some future event or condition).
  • Write "insure" when you mean: To provide for compensation if some specified risk occurs. Often agreed by policy (contract) to offer financial compensation in case of a…

Known mistypes of these spellings

Edit-distance variants recorded against this cluster: useful when a search or OCR feed lands on the wrong form.

  • ensureennsure · ensrue · enssure · ensuer · ensurre · enusre
  • insureinnsure · insrue · inssure · insuer · inusre · isnure

Each spelling

ensure

verb · /ɪnˈʃɔː(ɹ)/ · #2,039 frequency

To make sure or certain of something (usually some future event or condition).

insure

verb · /ɪnˈʃɔː(ɹ)/ · #17,164 frequency

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.

Nearby English homophone groups

What to do next

You've reviewed the 2-spelling cluster (ensure, insure). Here's where to go from here.

  • "ensure" is the most frequent headword in this 2-spelling cluster (rank #2,039 in English). Full entry
  • Among English homophone groups, a cluster of 2 spellings ranks #133 by size (1,007 groups in this vintage). Corpus statistics
  • Explore a nearby 2-spelling cluster: Elliott · Elliot. Nearby cluster
  • Each spelling in "ensure, insure" has its own headword page with definition, IPA, and misspelling variants. First entry

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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

Source: FrequencyWords open word-frequency list