Which to use
“flush” and “fuse” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #9,610
- “flush” frequency rank
- #12,605
- “fuse” frequency rank
- 22215
- confusion score
Side-by-Side Comparison
| Feature | flush | fuse |
|---|---|---|
| Definition | A group of birds that have suddenly started up from undergrowth, trees, etc. | A cord that, when lit, conveys the fire to some explosive device, such as a bomb. |
Where the eye mixes flush and fuse
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses flush with fuse
A purely visual mix-up. flush (/ˈflʌʃ/) and fuse (/fjuːz/) 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 22215, derived from the frequency rank of both members and their visual similarity.
flush is recorded at frequency rank #9,610, classified as anoun, pronounced /ˈflʌʃ/. fuse is at rank #12,605, tagged as anoun, pronounced /fjuːz/.
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 22215, this pair ranks #418,189 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of flush vs fuse
Shared letters: fsu. Private to "flush": hl. Private to "fuse": e.
"flush" · 5 letters · shape CCVCC · "fuse" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "flush" for "fuse" ever safe?
In ordinary English text, does "flush" or "fuse" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "flush" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fuse" - compare definitions side by side with the headword page. Word entry
- This pair ranks #418,189 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "flush" and "fuse" also get mixed up with nearby pairs, the highest-scored neighbour is "fie vs fuse". 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 #418,189 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.