Which to use
“stud” is a noun and “sturdy” is an adjective - they look or sound alike but fill different roles in a sentence.
- #10,615
- “stud” frequency rank
- #16,363
- “sturdy” frequency rank
- 26978
- confusion score
Side-by-Side Comparison
| Feature | stud | sturdy |
|---|---|---|
| Definition | A male animal, especially a stud horse (stallion), kept for breeding. | Of firm build; stiff; stout; strong. |
Where the eye mixes stud and sturdy
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Why the eye confuses stud with sturdy
These two trip readers on the page rather than in the ear: stud is /stʌd/ while sturdy is /ˈstɜːdi/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 26978, derived from the frequency rank of both members and their visual similarity.
stud is recorded at frequency rank #10,615, classified as anoun, pronounced /stʌd/. sturdy is at rank #16,363, tagged as anadj, pronounced /ˈstɜːdi/.
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 26978, this pair ranks #382,569 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of stud vs sturdy
Shared letters: dstu. Private to "stud": -. Private to "sturdy": ry.
"stud" · 4 letters · shape CCVC · "sturdy" · 6 letters · shape CCVCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "stud" for "sturdy" ever safe?
Which is more common, "stud" or "sturdy"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "stud" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sturdy" - compare definitions side by side with the headword page. Word entry
- This pair ranks #382,569 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "stud" and "sturdy" also get mixed up with nearby pairs, the highest-scored neighbour is "scurry vs sturdy". 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 #382,569 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.