utilisevsutilityWhich spelling fits?

Quick tell: utilise is a verb, utility is a noun, so they fill different roles in a sentence.

Which to use

“utilise” is a verb and “utility” is a noun - they look or sound alike but fill different roles in a sentence.

#30,638
“utilise” frequency rank
#4,564
“utility” frequency rank
35202
confusion score

Side-by-Side Comparison

Feature utilise utility
Definition To make use of; to use. The state or condition of being useful; usefulness.

Where the eye mixes utilise and utility

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
utilise
7 ch
utility

Visual trap between utilise and utility

These two trip readers on the page rather than in the ear: utilise is /ˈjuːtɪlaɪz/ while utility is /juːˈtɪl.ɪ.ti/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 35202, derived from the frequency rank of both members and their visual similarity.

utilise is recorded at frequency rank #30,638, classified as averb, pronounced /ˈjuːtɪlaɪz/. utility is at rank #4,564, tagged as anoun, pronounced /juːˈtɪl.ɪ.ti/.

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 35202, this pair ranks #314,022 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of utilise vs utility

Shared letters: iltu. Private to "utilise": es. Private to "utility": y.

"utilise" · 7 letters · shape VCVCVCV  ·  "utility" · 7 letters · shape VCVCVCV

Known mistypes of this pair

  • utilisetuilise · uitlise · utiilse · utilies · utilisse · utillise · utilsie · utliise
  • utilitytuility · uitlity · utiilty · utilitty · utilityy · utiliyt · utillity · utiltiy

Frequently Asked Questions

Do "utilise" and "utility" mean the same thing in a sentence?
No - they are not even the same part of speech. "utilise" is a verb and "utility" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "utilise" vs "utility" - which ranks higher?
"utility" is the more common of the two: it sits at frequency rank #4,564 in our English list, against #30,638 for "utilise". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "utilise" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "utility" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #314,022 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "utilise" and "utility" also get mixed up with nearby pairs, the highest-scored neighbour is "utilise vs utilize". 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 #314,022 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