feuvsfleaWhat's the difference?

Which to use

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

#43,641
“feu” frequency rank
#16,711
“flea” frequency rank
60352
confusion score

Side-by-Side Comparison

Feature feu flea
Definition Land held in feudal tenure. A small, wingless, parasitic insect of the order Siphonaptera, renowned for its bloodsucking habits and jumping abilities.

Where the eye mixes feu and flea

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. feu runs 3 letters (CVV) against flea's 4 (CCVV) - the length gap alone is often enough to separate them once you know to check it.

3 ch
feu
4 ch
flea

Why the eye confuses feu with flea

A purely visual mix-up. feu (/fjuː/) and flea (/fliː/) 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 60352, derived from the frequency rank of both members and their visual similarity.

feu is recorded at frequency rank #43,641, classified as anoun, pronounced /fjuː/. flea is at rank #16,711, tagged as anoun, pronounced /fliː/.

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 60352, this pair ranks #100,649 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of feu vs flea

Shared letters: ef. Private to "feu": u. Private to "flea": al.

"feu" · 3 letters · shape CVV  ·  "flea" · 4 letters · shape CCVV

Known mistypes of this pair

  • flea ← fflea · flae · fllea · lfea

Frequently Asked Questions

Do "feu" and "flea" mean the same thing in a sentence?
No. They are said differently (/fjuː/ versus /fliː/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "feu" or "flea"?
"flea" is the more common of the two: it sits at frequency rank #16,711 in our English list, against #43,641 for "feu". 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 "feu" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "flea" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #100,649 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "feu" and "flea" also get mixed up with nearby pairs, the highest-scored neighbour is "feu 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 #100,649 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