Which to use
“sed” is a name and “suds” is a noun - they look or sound alike but fill different roles in a sentence.
- #31,340
- “sed” frequency rank
- #49,655
- “suds” frequency rank
- 80995
- confusion score
Side-by-Side Comparison
| Feature | sed | suds |
|---|---|---|
| Definition | A noninteractive text editor (originally developed in Unix), intended for making systematic edits in an automatic or batch-oriented way. | Lather; foam or froth formed by mixing soap and water. |
Where the eye mixes sed and suds
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. sed runs 3 letters (CVC) against suds's 4 (CVCC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between sed and suds
These two trip readers on the page rather than in the ear: sed is /sɛd/ while suds is /sʌdz/. 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 (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 80995, derived from the frequency rank of both members and their visual similarity.
sed is recorded at frequency rank #31,340, classified as aname, pronounced /sɛd/. suds is at rank #49,655, tagged as anoun, pronounced /sʌdz/.
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 80995, this pair ranks #18,655 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of sed vs suds
Shared letters: ds. Private to "sed": e. Private to "suds": u.
"sed" · 3 letters · shape CVC · "suds" · 4 letters · shape CVCC
Known mistypes of this pair
- suds ← sdus · ssuds · sudds · sudss · susd · usds
Frequently Asked Questions
Do "sed" and "suds" mean the same thing in a sentence?
Frequency check: "sed" vs "suds" - which ranks higher?
What to do next
Eye-level mix-up between "sed" and "suds" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "sed" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "suds" - compare definitions side by side with the headword page. Word entry
- This pair ranks #18,655 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "sed" and "suds" also get mixed up with nearby pairs, the highest-scored neighbour is "suds 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 #18,655 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.