Which to use
“such” is a determiner and “sud” is a noun - they look or sound alike but fill different roles in a sentence.
- #146
- “such” frequency rank
- #37,717
- “sud” frequency rank
- 37863
- confusion score
Side-by-Side Comparison
| Feature | such | sud |
|---|---|---|
| Definition | Like this, that, these, those; used to make a comparison with something implied by context. | A bubble of lather or foam (the singular of suds). |
Where the eye mixes such and sud
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses such with sud
These two trip readers on the page rather than in the ear: such is /sʌt͡ʃ/ while sud is /sʌd/. 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 (determiner vs noun), which is usually the fastest check. Our composite confusion score for this pair is 37863, derived from the frequency rank of both members and their visual similarity.
such is recorded at frequency rank #146, classified as adet, pronounced /sʌt͡ʃ/. sud is at rank #37,717, tagged as anoun, pronounced /sʌd/.
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 37863, this pair ranks #290,823 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of such vs sud
Shared letters: su. Private to "such": ch. Private to "sud": d.
"such" · 4 letters · shape CVCC · "sud" · 3 letters · shape CVC
Known mistypes of this pair
- such ← scuh · ssuch · succh · suchh · suhc · usch
Frequently Asked Questions
Can "such" and "sud" be used interchangeably?
In ordinary English text, does "such" or "sud" show up more?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "such" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sud" - compare definitions side by side with the headword page. Word entry
- This pair ranks #290,823 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "such" and "sud" also get mixed up with nearby pairs, the highest-scored neighbour is "sud vs sura". 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 #290,823 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.