Which to use
“so's” is a contraction and “suds” is a noun - they look or sound alike but fill different roles in a sentence.
- #38,171
- “so's” frequency rank
- #49,655
- “suds” frequency rank
- 87826
- confusion score
Side-by-Side Comparison
| Feature | so's | suds |
|---|---|---|
| Definition | So that, in order that. | Lather; foam or froth formed by mixing soap and water. |
Letter map: so's vs suds
Shared letters muted; letters that set so's and suds apart highlighted. Shared run: 2. so's 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.
Part-of-speech tell for so's / suds
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: so's is acontraction and sudsanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 87826, derived from the frequency rank of both members and their visual similarity.
so's is recorded at frequency rank #38,171, classified as acontraction. 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 87826, this pair ranks #7,111 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of so's vs suds
Shared letters: s. Private to "so's": o. Private to "suds": du.
"so's" · 3 letters · shape CVC · "suds" · 4 letters · shape CVCC
Known mistypes of this pair
- suds ← sdus · ssuds · sudds · sudss · susd · usds
Frequently Asked Questions
Is swapping "so's" for "suds" ever safe?
Frequency check: "so's" vs "suds" - which ranks higher?
What to do next
Pair "so's" vs "suds" is on the table, pick a follow-up below.
- Full dictionary entry for "so's" 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 #7,111 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "so's" 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 #7,111 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.