Which to use
“utilise” and “utilize” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #30,638
- “utilise” frequency rank
- #10,473
- “utilize” frequency rank
- 41111
- confusion score
Side-by-Side Comparison
| Feature | utilise | utilize |
|---|---|---|
| Definition | To make use of; to use. | Alternative spelling of utilise. |
Same sound, different letters: utilise vs utilize
Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 6 letters.
Ear matches; page differs - utilise and utilize
This is the hard kind. utilise and utilize are pronounced identically (/ˈjuːtɪlaɪz/) and both work as averb. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They differ by a single letter - s in “utilise” becomes z in “utilize”. Our composite confusion score for this pair is 41111, 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/. utilize is at rank #10,473, tagged as averb, pronounced /ˈjuː.tɪ.laɪz/.
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 41111, this pair ranks #261,405 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of utilise vs utilize
Shared letters: eiltu. Private to "utilise": s. Private to "utilize": z.
"utilise" · 7 letters · shape VCVCVCV · "utilize" · 7 letters · shape VCVCVCV
Known mistypes of this pair
Frequently Asked Questions
Do "utilise" and "utilize" mean the same thing in a sentence?
Which is more common, "utilise" or "utilize"?
Useful next steps
Sound matches; spelling doesn't. Use the exits below to lock the right form or check a cousin pair.
- Full dictionary entry for "utilise" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "utilize" - compare definitions side by side with the headword page. Word entry
- This pair ranks #261,405 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "utilise" and "utilize" also get mixed up with nearby pairs, the highest-scored neighbour is "utilise vs utility". 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 #261,405 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.