Which to use
“defuse” and “diffuse” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #33,609
- “defuse” frequency rank
- #20,095
- “diffuse” frequency rank
- 53704
- confusion score
Side-by-Side Comparison
| Feature | defuse | diffuse |
|---|---|---|
| Definition | To remove the fuse from (e.g. a bomb). | To spread (something) over or through as in air, water, or other matter, especially by fluid motion or passive means. |
Where the eye mixes defuse and diffuse
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Look-alike desk: defuse vs diffuse
A purely visual mix-up. defuse (/diːˈfjuːz/) and diffuse (/dɪˈfjuːz/) 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 1 letter(s) in length. Our composite confusion score for this pair is 53704, derived from the frequency rank of both members and their visual similarity.
defuse is recorded at frequency rank #33,609, classified as averb, pronounced /diːˈfjuːz/. diffuse is at rank #20,095, tagged as averb, pronounced /dɪˈfjuːz/.
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 53704, this pair ranks #146,862 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of defuse vs diffuse
Shared letters: defsu. Private to "defuse": -. Private to "diffuse": i.
"defuse" · 6 letters · shape CVCVCV · "diffuse" · 7 letters · shape CVCCVCV
Known mistypes of this pair
Frequently Asked Questions
Do "defuse" and "diffuse" mean the same thing in a sentence?
In ordinary English text, does "defuse" or "diffuse" show up more?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "defuse" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "diffuse" - compare definitions side by side with the headword page. Word entry
- This pair ranks #146,862 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "defuse" and "diffuse" also get mixed up with nearby pairs, the highest-scored neighbour is "defuse vs demure". 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 #146,862 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.