foievsFOILWhich spelling fits?

Quick tell: foie is a noun, FOIL is a name, so they fill different roles in a sentence.

Which to use

“foie” is a noun and “FOIL” is a name - they look or sound alike but fill different roles in a sentence.

#42,645
“foie” frequency rank
#10,212
“FOIL” frequency rank
52857
confusion score

Side-by-Side Comparison

Feature foie FOIL
Definition Ellipsis of foie gras. An acronym for the algorithm for multiplying two binomials.

Letter map: foie vs FOIL

Shared letters muted; letters that set foie and FOIL apart highlighted. Shared run: 3. foie (CVVV) and FOIL (CVVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
foie
4 ch
FOIL

Role in the sentence - foie and FOIL

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: foie is anoun and FOILaname. On the page they differ by a single letter - e in “foie” becomes l in “FOIL”. Our composite confusion score for this pair is 52857, derived from the frequency rank of both members and their visual similarity.

foie is recorded at frequency rank #42,645, classified as anoun. FOIL is at rank #10,212, tagged as aname.

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 52857, this pair ranks #153,639 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of foie vs FOIL

Shared letters: fio. Private to "foie": e. Private to "FOIL": l.

"foie" · 4 letters · shape CVVV  ·  "FOIL" · 4 letters · shape CVVC

Known mistypes of this pair

  • foie ← ffoie · fioe · foei · ofie
  • FOIL ← ffoil · fiol · foill · foli · ofil

Frequently Asked Questions

Can "foie" and "FOIL" be used interchangeably?
No - they are not even the same part of speech. "foie" is a noun and "FOIL" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "foie" or "FOIL"?
"FOIL" is the more common of the two: it sits at frequency rank #10,212 in our English list, against #42,645 for "foie". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "foie" and "FOIL".

  • Full dictionary entry for "foie" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "FOIL" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #153,639 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "foie" and "FOIL" also get mixed up with nearby pairs, the highest-scored neighbour is "foie vs FOMO". 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 #153,639 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