florvsflueTell them apart

Which to use

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

#39,816
“flor” frequency rank
#38,401
“flue” frequency rank
78217
confusion score

Side-by-Side Comparison

Feature flor flue
Definition A film of yeast that develops on the surface of some wines during fermentation, induced deliberately during the production of sherry. A pipe or duct that carries gaseous combustion products away from the point of combustion (such as a furnace).

Letter map: flor vs flue

Shared letters muted; letters that set flor and flue apart highlighted. Shared run: 2. flor (CCVC) and flue (CCVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
flor
4 ch
flue

Spelling & dictionary notes on flor vs flue

flor and flue are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 78217, derived from the frequency rank of both members and their visual similarity.

flor is recorded at frequency rank #39,816, classified as anoun. 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 78217, this pair ranks #25,163 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of flor vs flue

Shared letters: fl. Private to "flor": or. Private to "flue": eu.

"flor" · 4 letters · shape CCVC  ·  "flue" · 4 letters · shape CCVV

Known mistypes of this pair

  • flor ← fflor · fllor · florr · flro · folr · lfor
  • flue ← fflue · fleu · fllue · lfue

Frequently Asked Questions

Is swapping "flor" for "flue" ever safe?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "flor" vs "flue" - which ranks higher?
"flue" is the more common of the two: it sits at frequency rank #38,401 in our English list, against #39,816 for "flor". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "flor" and "flue". Here's where to go from here.

  • Full dictionary entry for "flor" 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 #25,163 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "flor" and "flue" also get mixed up with nearby pairs, the highest-scored neighbour is "flor vs foh". 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 #25,163 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