foievsFOSSTell them apart

Which to use

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

#42,645
“foie” frequency rank
#33,655
“FOSS” frequency rank
76300
confusion score

Side-by-Side Comparison

Feature foie FOSS
Definition Ellipsis of foie gras. Initialism of Free and Open Source Software.

Letter map: foie vs FOSS

Shared letters muted; letters that set foie and FOSS apart highlighted. Shared run: 2. foie (CVVV) and FOSS (CVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
foie
4 ch
FOSS

Spelling & dictionary notes on foie vs FOSS

foie and FOSS are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 76300, derived from the frequency rank of both members and their visual similarity.

foie is recorded at frequency rank #42,645, classified as anoun. FOSS is at rank #33,655, tagged as anoun, pronounced /fɒs/.

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 76300, this pair ranks #30,472 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of foie vs FOSS

Shared letters: fo. Private to "foie": ei. Private to "FOSS": s.

"foie" · 4 letters · shape CVVV  ·  "FOSS" · 4 letters · shape CVCC

Known mistypes of this pair

  • foie ← ffoie · fioe · foei · ofie
  • FOSS ← ffoss · fos · fsos · ofss

Frequently Asked Questions

Is swapping "foie" for "FOSS" ever safe?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "foie" vs "FOSS" - which ranks higher?
"FOSS" is the more common of the two: it sits at frequency rank #33,655 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.

Useful next steps

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

  • Full dictionary entry for "foie" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "FOSS" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #30,472 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "foie" and "FOSS" 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 #30,472 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