Which to use
“ould” is an adjective and “outdo” is a verb - they look or sound alike but fill different roles in a sentence.
- #48,397
- “ould” frequency rank
- #40,825
- “outdo” frequency rank
- 89222
- confusion score
Side-by-Side Comparison
| Feature | ould | outdo |
|---|---|---|
| Definition | Pronunciation spelling of old. | To excel; go beyond in performance; surpass. |
Where the eye mixes ould and outdo
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. ould runs 4 letters (VVCC) against outdo's 5 (VVCCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between ould and outdo
These two trip readers on the page rather than in the ear: ould is /aʊld/ while outdo is /aʊtˈdu/. 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 (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 89222, derived from the frequency rank of both members and their visual similarity.
ould is recorded at frequency rank #48,397, classified as anadj, pronounced /aʊld/. outdo is at rank #40,825, tagged as averb, pronounced /aʊtˈdu/.
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 89222, this pair ranks #5,439 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of ould vs outdo
Shared letters: dou. Private to "ould": l. Private to "outdo": t.
"ould" · 4 letters · shape VVCC · "outdo" · 5 letters · shape VVCCV
Known mistypes of this pair
Frequently Asked Questions
Do "ould" and "outdo" mean the same thing in a sentence?
Frequency check: "ould" vs "outdo" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "ould" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "outdo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #5,439 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ould" and "outdo" also get mixed up with nearby pairs, the highest-scored neighbour is "oui vs ould". 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 #5,439 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.