Which to use
“sais” is a noun and “so's” is a contraction - they look or sound alike but fill different roles in a sentence.
- #44,467
- “sais” frequency rank
- #38,171
- “so's” frequency rank
- 82638
- confusion score
Side-by-Side Comparison
| Feature | sais | so's |
|---|---|---|
| Definition | A groom, or servant with responsibility for the horses. | So that, in order that. |
Letter map: sais vs so's
Shared letters muted; letters that set sais and so's apart highlighted. Shared run: 2. sais runs 4 letters (CVVC) against so's's 3 (CVC) - the length gap alone is often enough to separate them once you know to check it.
Grammar separator: sais vs so's
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sais is anoun and so'sacontraction. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 82638, derived from the frequency rank of both members and their visual similarity.
sais is recorded at frequency rank #44,467, classified as anoun, pronounced /saɪs/. so's is at rank #38,171, tagged as acontraction.
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 82638, this pair ranks #15,366 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of sais vs so's
Shared letters: s. Private to "sais": ai. Private to "so's": o.
"sais" · 4 letters · shape CVVC · "so's" · 3 letters · shape CVC
Known mistypes of this pair
- sais ← asis · saiss · sasi · sias · ssais
Frequently Asked Questions
Is swapping "sais" for "so's" ever safe?
In ordinary English text, does "sais" or "so's" show up more?
After this comparison
Done with this confusable. These links stay specific to "sais" and "so's".
- Full dictionary entry for "sais" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "so's" - compare definitions side by side with the headword page. Word entry
- This pair ranks #15,366 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "sais" and "so's" also get mixed up with nearby pairs, the highest-scored neighbour is "sais vs suds". 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 #15,366 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.