foulsvsfourWhat's the difference?

Quick tell: fouls is a noun, four is a num, so they fill different roles in a sentence.

Which to use

“fouls” is a noun and “four” is a num - they look or sound alike but fill different roles in a sentence.

#23,837
“fouls” frequency rank
#272
“four” frequency rank
24109
confusion score

Side-by-Side Comparison

Feature fouls four
Definition plural of foul A numerical value equal to 4; the number after three and before five; two plus two. This many dots (••••)

Where the eye mixes fouls and four

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
fouls
4 ch
four

Look-alike desk: fouls vs four

These two trip readers on the page rather than in the ear: fouls is /faʊlz/ while four is /foɹ/. 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 num), which is usually the fastest check. Our composite confusion score for this pair is 24109, derived from the frequency rank of both members and their visual similarity.

fouls is recorded at frequency rank #23,837, classified as anoun, pronounced /faʊlz/. four is at rank #272, tagged as anum, pronounced /foɹ/.

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 24109, this pair ranks #404,396 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fouls vs four

Shared letters: fou. Private to "fouls": ls. Private to "four": r.

"fouls" · 5 letters · shape CVVCC  ·  "four" · 4 letters · shape CVVC

Known mistypes of this pair

  • foulsffouls · folus · foulls · foulss · fousl · fuols · ofuls
  • fourffour · foru · fourr · fuor · ofur

Frequently Asked Questions

Can "fouls" and "four" be used interchangeably?
No - they are not even the same part of speech. "fouls" is a noun and "four" a num, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "fouls" or "four" show up more?
"four" is the more common of the two: it sits at frequency rank #272 in our English list, against #23,837 for "fouls". 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 "fouls" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "four" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #404,396 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fouls" and "four" also get mixed up with nearby pairs, the highest-scored neighbour is "fou vs fouls". 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 #404,396 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