fourvsfoyerWhat's the difference?

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

Which to use

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

#272
“four” frequency rank
#25,764
“foyer” frequency rank
26036
confusion score

Side-by-Side Comparison

Feature four foyer
Definition A numerical value equal to 4; the number after three and before five; two plus two. This many dots (••••) A lobby, corridor, or waiting room, used in a hotel, theater, etc.

Where the eye mixes four and foyer

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

4 ch
four
5 ch
foyer

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: four is /foɹ/ while foyer is /ˈfɔɪ.eɪ/. 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 (num vs noun), which is usually the fastest check. Our composite confusion score for this pair is 26036, derived from the frequency rank of both members and their visual similarity.

four is recorded at frequency rank #272, classified as anum, pronounced /foɹ/. foyer is at rank #25,764, tagged as anoun, pronounced /ˈfɔɪ.eɪ/.

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 26036, this pair ranks #389,702 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of four vs foyer

Shared letters: for. Private to "four": u. Private to "foyer": ey.

"four" · 4 letters · shape CVVC  ·  "foyer" · 5 letters · shape CVVVC

Known mistypes of this pair

  • fourffour · foru · fourr · fuor · ofur
  • foyerffoyer · foeyr · foyerr · foyre · foyyer · fyoer · ofyer

Frequently Asked Questions

Can "four" and "foyer" be used interchangeably?
No - they are not even the same part of speech. "four" is a num and "foyer" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "four" or "foyer"?
"four" is the more common of the two: it sits at frequency rank #272 in our English list, against #25,764 for "foyer". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "four" and "foyer". Here's where to go from here.

  • Full dictionary entry for "four" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "foyer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #389,702 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "four" and "foyer" also get mixed up with nearby pairs, the highest-scored neighbour is "fader vs foyer". 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

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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

Source: FrequencyWords open word-frequency list