flyervsfumerTell them apart

Which to use

“flyer” and “fumer” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#42,882
“flyer” frequency rank
#4,336
“fumer” frequency rank
47218
confusion score

Side-by-Side Comparison

Feature flyer fumer
Definition Déguerpir, partir rapidement. Jeter de la fumée.

Where the eye mixes flyer and fumer

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. flyer (CCVVC) and fumer (CVCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

5 ch
flyer
5 ch
fumer

Why the eye confuses flyer with fumer

A purely visual mix-up. flyer (\fla.je\) and fumer (\fy.me\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 47218, derived from the frequency rank of both members and their visual similarity.

flyer is recorded at frequency rank #42,882, classified as averb, pronounced \fla.je\. fumer is at rank #4,336, tagged as averb, pronounced \fy.me\.

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 47218, this pair ranks #188,615 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of flyer vs fumer

Shared letters: efr. Private to "flyer": ly. Private to "fumer": mu.

"flyer" · 5 letters · shape CCVVC  ·  "fumer" · 5 letters · shape CVCVC

Known mistypes of this pair

  • flyer ← fflyer · fleyr · fllyer · flyerr · flyre · flyyer · fyler · lfyer
  • fumer ← ffumer · fmuer · fuemr · fumerr · fummer · fumre · ufmer

Frequently Asked Questions

Is swapping "flyer" for "fumer" ever safe?
No. They are said differently (\fla.je\ versus \fy.me\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "flyer" or "fumer"?
"fumer" is the more common of the two: it sits at frequency rank #4,336 in our French list, against #42,882 for "flyer". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "flyer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fumer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #188,615 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "flyer" and "fumer" also get mixed up with nearby pairs, the highest-scored neighbour is "flour vs flyer". 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 #188,615 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list