filevsfoiledConfusable pair

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

Which to use

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

#1,825
“file” frequency rank
#29,659
“foiled” frequency rank
31484
confusion score

Side-by-Side Comparison

Feature file foiled
Definition A collection of papers collated and archived together. simple past and past participle of foil

Where the eye mixes file and foiled

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

4 ch
file
6 ch
foiled

Visual trap between file and foiled

These two trip readers on the page rather than in the ear: file is /faɪl/ while foiled is /fɔɪld/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 31484, derived from the frequency rank of both members and their visual similarity.

file is recorded at frequency rank #1,825, classified as anoun, pronounced /faɪl/. 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 31484, this pair ranks #345,718 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of file vs foiled

Shared letters: efil. Private to "file": -. Private to "foiled": do.

"file" · 4 letters · shape CVCV  ·  "foiled" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • fileffile · fiel · fille · flie · ifle
  • foiledffoiled · fioled · foield · foilde · foiledd · foilled · folied · ofiled

Frequently Asked Questions

Can "file" and "foiled" be used interchangeably?
No - they are not even the same part of speech. "file" is a noun and "foiled" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "file" or "foiled"?
"file" is the more common of the two: it sits at frequency rank #1,825 in our English list, against #29,659 for "foiled". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "file" 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 #345,718 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "file" 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 #345,718 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