faecesvsfecesWhat's the difference?

Which to use

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

#41,118
“faeces” frequency rank
#21,795
“feces” frequency rank
62913
confusion score

Side-by-Side Comparison

Feature faeces feces
Definition Alternative spelling of feces. Digested waste material (typically solid or semi-solid) discharged from a human or other mammal's stomach to the intestines; excrement.

Letter map: faeces vs feces

Shared letters muted; letters that set faeces and feces apart highlighted. Shared run: 5. faeces runs 6 letters (CVVCVC) against feces's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
faeces
5 ch
feces

Corpus notes: faeces and feces

faeces and feces 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 differ by 1 letter(s) in length. Our composite confusion score for this pair is 62913, derived from the frequency rank of both members and their visual similarity.

faeces is recorded at frequency rank #41,118, classified as anoun. feces is at rank #21,795, tagged as anoun, pronounced /ˈfiːsiːz/.

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 62913, this pair ranks #85,884 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of faeces vs feces

Shared letters: cefs. Private to "faeces": a. Private to "feces": -.

"faeces" · 6 letters · shape CVVCVC  ·  "feces" · 5 letters · shape CVCVC

Known mistypes of this pair

  • faeces ← afeces · facees · faecces · faecess · faecse · faeecs · feaces · ffaeces
  • feces ← efces · fcees · fecces · fecess · fecse · feecs · ffeces

Frequently Asked Questions

Is swapping "faeces" for "feces" ever safe?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary English text, does "faeces" or "feces" show up more?
"feces" is the more common of the two: it sits at frequency rank #21,795 in our English list, against #41,118 for "faeces". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "faeces" vs "feces" is on the table, pick a follow-up below.

  • Full dictionary entry for "faeces" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "feces" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #85,884 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "faeces" and "feces" also get mixed up with nearby pairs, the highest-scored neighbour is "faeces vs Fawkes". 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 #85,884 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