Which to use
“foi” is a noun and “four” is a num - they look or sound alike but fill different roles in a sentence.
- #42,644
- “foi” frequency rank
- #272
- “four” frequency rank
- 42916
- confusion score
Side-by-Side Comparison
| Feature | foi | four |
|---|---|---|
| Definition | A depiction of a handshake. | A numerical value equal to 4; the number after three and before five; two plus two. This many dots (••••) |
Letter map: foi vs four
Shared letters muted; letters that set foi and four apart highlighted. Shared run: 2.
Role in the sentence - foi and four
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: foi is anoun and fouranum. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 42916, derived from the frequency rank of both members and their visual similarity.
foi is recorded at frequency rank #42,644, classified as anoun. 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 42916, this pair ranks #244,956 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of foi vs four
Shared letters: fo. Private to "foi": i. Private to "four": ru.
"foi" · 3 letters · shape CVV · "four" · 4 letters · shape CVVC
Known mistypes of this pair
- four ← ffour · foru · fourr · fuor · ofur
Frequently Asked Questions
Is swapping "foi" for "four" ever safe?
Frequency check: "foi" vs "four" - which ranks higher?
What to do next
You've compared "foi" and "four". Here's where to go from here.
- Full dictionary entry for "foi" 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 #244,956 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "foi" and "four" also get mixed up with nearby pairs, the highest-scored neighbour is "foi vs FOMO". 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 #244,956 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.