fouvsfourWhat's the difference?

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

Which to use

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

#48,244
“fou” frequency rank
#272
“four” frequency rank
48516
confusion score

Side-by-Side Comparison

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

Letter map: fou vs four

Shared letters muted; letters that set fou and four apart highlighted. Shared run: 3.

3 ch
fou
4 ch
four

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fou is anadjective and fouranum. On the page they differ by 1 extra letter(s) - “fou” sits inside “four”. Our composite confusion score for this pair is 48516, derived from the frequency rank of both members and their visual similarity.

fou is recorded at frequency rank #48,244, classified as anadj. 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 48516, this pair ranks #192,315 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fou vs four

Shared letters: fou. Private to "fou": -. Private to "four": r.

"fou" · 3 letters · shape CVV  ·  "four" · 4 letters · shape CVVC

Known mistypes of this pair

  • fourffour · foru · fourr · fuor · ofur

Frequently Asked Questions

Can "fou" and "four" be used interchangeably?
No - they are not even the same part of speech. "fou" is an adjective and "four" a num, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "fou" or "four"?
"four" is the more common of the two: it sits at frequency rank #272 in our English list, against #48,244 for "fou". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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

Source: FrequencyWords open word-frequency list