fecesvsfessWhat's the difference?

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

Which to use

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

#21,795
“feces” frequency rank
#43,640
“fess” frequency rank
65435
confusion score

Side-by-Side Comparison

Feature feces fess
Definition Digested waste material (typically solid or semi-solid) discharged from a human or other mammal's stomach to the intestines; excrement. To confess; to admit.

Where the spellings diverge

Shared letters are muted; the letters that actually set feces and fess apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

5 ch
feces
4 ch
fess

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: feces is /ˈfiːsiːz/ while fess is /fɛs/. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 65435, derived from the frequency rank of both members and their visual similarity.

feces is recorded at frequency rank #21,795, classified as anoun, pronounced /ˈfiːsiːz/. fess is at rank #43,640, tagged as averb, pronounced /fɛs/.

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 65435, this pair ranks #72,759 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of feces vs fess

Shared letters: efs. Private to "feces": c. Private to "fess": -.

"feces" · 5 letters · shape CVCVC  ·  "fess" · 4 letters · shape CVCC

Known mistypes of this pair

  • fecesefces · fcees · fecces · fecess · fecse · feecs · ffeces
  • fessefss · ffess · fses

Frequency comparison

feces#21,795
fess#43,640

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "feces" and "fess" be used interchangeably?
No - they are not even the same part of speech. "feces" is a noun and "fess" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "feces" or "fess"?
"feces" is the more common of the two: it sits at frequency rank #21,795 in our English list, against #43,640 for "fess". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering feces vs fess

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “feces”; for a verb, it's “fess”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “feces” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list