Which to use
“sacs” is a noun and “so's” is a contraction - they look or sound alike but fill different roles in a sentence.
- #40,005
- “sacs” frequency rank
- #38,171
- “so's” frequency rank
- 78176
- confusion score
Side-by-Side Comparison
| Feature | sacs | so's |
|---|---|---|
| Definition | plural of sac | So that, in order that. |
Letter map: sacs vs so's
Shared letters muted; letters that set sacs and so's apart highlighted. Shared run: 2. sacs runs 4 letters (CVCC) against so's's 3 (CVC) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - sacs and so's
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sacs 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 78176, derived from the frequency rank of both members and their visual similarity.
sacs is recorded at frequency rank #40,005, classified as anoun, pronounced /sæks/. 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 78176, this pair ranks #25,271 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of sacs vs so's
Shared letters: s. Private to "sacs": ac. Private to "so's": o.
"sacs" · 4 letters · shape CVCC · "so's" · 3 letters · shape CVC
Known mistypes of this pair
- sacs ← ascs · saccs · sacss · sasc · scas · ssacs
Frequently Asked Questions
Can "sacs" and "so's" be used interchangeably?
Which is more common, "sacs" or "so's"?
Useful next steps
Done with this confusable. These links stay specific to "sacs" and "so's".
- Full dictionary entry for "sacs" 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 #25,271 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "sacs" and "so's" also get mixed up with nearby pairs, the highest-scored neighbour is "sacs 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 #25,271 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.