flakevsflueConfusable pair

Which to use

“flake” and “flue” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#22,087
“flake” frequency rank
#38,401
“flue” frequency rank
60488
confusion score

Side-by-Side Comparison

Feature flake flue
Definition A loose filmy mass or a thin chiplike layer of anything A pipe or duct that carries gaseous combustion products away from the point of combustion (such as a furnace).

Where the eye mixes flake and flue

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
flake
4 ch
flue

Look-alike desk: flake vs flue

A purely visual mix-up. flake (/fleɪk/) and flue (/fluː/) 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 60488, derived from the frequency rank of both members and their visual similarity.

flake is recorded at frequency rank #22,087, classified as anoun, pronounced /fleɪk/. flue is at rank #38,401, tagged as anoun, pronounced /fluː/.

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 60488, this pair ranks #99,930 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of flake vs flue

Shared letters: efl. Private to "flake": ak. Private to "flue": u.

"flake" · 5 letters · shape CCVCV  ·  "flue" · 4 letters · shape CCVV

Known mistypes of this pair

  • flakefalke · fflake · flaek · flakke · flkae · fllake · lfake
  • fluefflue · fleu · fllue · lfue

Frequently Asked Questions

Can "flake" and "flue" be used interchangeably?
No. They are said differently (/fleɪk/ versus /fluː/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "flake" or "flue"?
"flake" is the more common of the two: it sits at frequency rank #22,087 in our English list, against #38,401 for "flue". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "flake" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "flue" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #99,930 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "flake" and "flue" 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 #99,930 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