Which to use
“flue” and “flute” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #38,401
- “flue” frequency rank
- #14,541
- “flute” frequency rank
- 52942
- confusion score
Side-by-Side Comparison
| Feature | flue | flute |
|---|---|---|
| Definition | A pipe or duct that carries gaseous combustion products away from the point of combustion (such as a furnace). | A woodwind instrument consisting of a tube with a row of holes that produce sound through vibrations caused by air blown across the edge of the holes, often tuned by plugging one or more holes with a finger; the Western concert flute, a transverse side-blown flute of European origin. |
Where the eye mixes flue and flute
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. flue runs 4 letters (CCVV) against flute's 5 (CCVCV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: flue vs flute
A purely visual mix-up. flue (/fluː/) and flute (/flu(ː)t/) 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 52942, derived from the frequency rank of both members and their visual similarity.
flue is recorded at frequency rank #38,401, classified as anoun, pronounced /fluː/. flute is at rank #14,541, tagged as anoun, pronounced /flu(ː)t/.
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 52942, this pair ranks #152,946 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of flue vs flute
Shared letters: eflu. Private to "flue": -. Private to "flute": t.
"flue" · 4 letters · shape CCVV · "flute" · 5 letters · shape CCVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "flue" for "flute" ever safe?
Which is more common, "flue" or "flute"?
What to do next
Eye-level mix-up between "flue" and "flute" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "flue" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "flute" - compare definitions side by side with the headword page. Word entry
- This pair ranks #152,946 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "flue" and "flute" also get mixed up with nearby pairs, the highest-scored neighbour is "flue vs fou". 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 #152,946 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.