fledvsfoiledWhat's the difference?

Which to use

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

#6,573
“fled” frequency rank
#29,659
“foiled” frequency rank
36232
confusion score

Side-by-Side Comparison

Feature fled foiled
Definition simple past and past participle of flee simple past and past participle of foil

Where the eye mixes fled and foiled

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

4 ch
fled
6 ch
foiled

Why the eye confuses fled with foiled

A purely visual mix-up. fled (/ˈflɛd/) and foiled (/fɔɪld/) 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 2 letter(s) in length. Our composite confusion score for this pair is 36232, derived from the frequency rank of both members and their visual similarity.

fled is recorded at frequency rank #6,573, classified as averb, pronounced /ˈflɛd/. foiled is at rank #29,659, tagged as averb, pronounced /fɔɪld/.

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 36232, this pair ranks #304,956 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fled vs foiled

Shared letters: defl. Private to "fled": -. Private to "foiled": io.

"fled" · 4 letters · shape CCVC  ·  "foiled" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • fledfeld · ffled · flde · fledd · flled · lfed
  • foiledffoiled · fioled · foield · foilde · foiledd · foilled · folied · ofiled

Frequently Asked Questions

Is swapping "fled" for "foiled" ever safe?
No. They are said differently (/ˈflɛd/ versus /fɔɪld/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "fled" or "foiled" show up more?
"fled" is the more common of the two: it sits at frequency rank #6,573 in our English list, against #29,659 for "foiled". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "fled" and "foiled" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "fled" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "foiled" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #304,956 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fled" and "foiled" also get mixed up with nearby pairs, the highest-scored neighbour is "foiled vs Foyle". 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 #304,956 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