Which to use
“sou” and “stud” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #35,525
- “sou” frequency rank
- #10,615
- “stud” frequency rank
- 46140
- confusion score
Side-by-Side Comparison
| Feature | sou | stud |
|---|---|---|
| Definition | 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. | A male animal, especially a stud horse (stallion), kept for breeding. |
Where the eye mixes sou and stud
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses sou with stud
A purely visual mix-up. sou (/suː/) and stud (/stʌd/) 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 46140, derived from the frequency rank of both members and their visual similarity.
sou is recorded at frequency rank #35,525, classified as anoun, pronounced /suː/. stud is at rank #10,615, tagged as anoun, pronounced /stʌd/.
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 46140, this pair ranks #214,567 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sou vs stud
Shared letters: su. Private to "sou": o. Private to "stud": dt.
"sou" · 3 letters · shape CVV · "stud" · 4 letters · shape CCVC
Known mistypes of this pair
- stud ← sstud · stdu · sttud · studd · sutd · tsud
Frequently Asked Questions
Can "sou" and "stud" be used interchangeably?
Which is more common, "sou" or "stud"?
What to do next
Eye-level mix-up between "sou" and "stud" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "sou" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "stud" - compare definitions side by side with the headword page. Word entry
- This pair ranks #214,567 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "sou" and "stud" 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 #214,567 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.