foiledvsFoyleWhich spelling fits?

Quick tell: foiled is a verb, Foyle is a name, so they fill different roles in a sentence.

Which to use

“foiled” is a verb and “Foyle” is a name - they look or sound alike but fill different roles in a sentence.

#29,659
“foiled” frequency rank
#46,469
“Foyle” frequency rank
76128
confusion score

Side-by-Side Comparison

Feature foiled Foyle
Definition simple past and past participle of foil A river in Ireland which forms part of the border between the Republic of Ireland and Northern Ireland, before flowing through Derry (Londonderry) and into Lough Foyle and the Atlantic Ocean.

Where the eye mixes foiled and Foyle

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. foiled runs 6 letters (CVVCVC) against Foyle's 5 (CVVCV) - the length gap alone is often enough to separate them once you know to check it.

6 ch
foiled
5 ch
Foyle

Look-alike desk: foiled vs Foyle

These two trip readers on the page rather than in the ear: foiled is /fɔɪld/ while Foyle is /fɔɪl/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs name), which is usually the fastest check. Our composite confusion score for this pair is 76128, derived from the frequency rank of both members and their visual similarity.

foiled is recorded at frequency rank #29,659, classified as averb, pronounced /fɔɪld/. Foyle is at rank #46,469, tagged as aname, pronounced /fɔɪl/.

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 76128, this pair ranks #30,989 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of foiled vs Foyle

Shared letters: eflo. Private to "foiled": di. Private to "Foyle": y.

"foiled" · 6 letters · shape CVVCVC  ·  "Foyle" · 5 letters · shape CVVCV

Known mistypes of this pair

  • foiled ← ffoiled · fioled · foield · foilde · foiledd · foilled · folied · ofiled
  • Foyle ← ffoyle · foyel · foylle · foyyle · fyole · ofyle

Frequently Asked Questions

Is swapping "foiled" for "Foyle" ever safe?
No - they are not even the same part of speech. "foiled" is a verb and "Foyle" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "foiled" or "Foyle" show up more?
"foiled" is the more common of the two: it sits at frequency rank #29,659 in our English list, against #46,469 for "Foyle". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "foiled" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Foyle" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #30,989 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "foiled" and "Foyle" also get mixed up with nearby pairs, the highest-scored neighbour is "foie 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 #30,989 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