Which to use
“sofa” and “sou” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #9,540
- “sofa” frequency rank
- #35,525
- “sou” frequency rank
- 45065
- confusion score
Side-by-Side Comparison
| Feature | sofa | sou |
|---|---|---|
| Definition | A raised area of a building's floor, usually covered with carpeting, used for sitting. | An old French copper coin equal to one twentieth of a livre or twelve deniers; one sou is to the livre as one shilling is to the pound. |
Where the eye mixes sofa and sou
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: sofa vs sou
A purely visual mix-up. sofa (/ˈsəʊfə/) and sou (/suː/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 45065, derived from the frequency rank of both members and their visual similarity.
sofa is recorded at frequency rank #9,540, classified as anoun, pronounced /ˈsəʊfə/. sou is at rank #35,525, tagged as anoun, pronounced /suː/.
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 45065, this pair ranks #224,729 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sofa vs sou
Shared letters: os. Private to "sofa": af. Private to "sou": u.
"sofa" · 4 letters · shape CVCV · "sou" · 3 letters · shape CVV
Known mistypes of this pair
- sofa ← osfa · sfoa · soaf · soffa · ssofa
Frequently Asked Questions
Is swapping "sofa" for "sou" ever safe?
Which is more common, "sofa" or "sou"?
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 "sofa" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sou" - compare definitions side by side with the headword page. Word entry
- This pair ranks #224,729 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "sofa" and "sou" also get mixed up with nearby pairs, the highest-scored neighbour is "Sif vs sou". 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 #224,729 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.