Which to use
“so's” is a contraction and “SoA” is a name - they look or sound alike but fill different roles in a sentence.
- #38,171
- “so's” frequency rank
- #35,088
- “SoA” frequency rank
- 73259
- confusion score
Side-by-Side Comparison
| Feature | so's | SoA |
|---|---|---|
| Definition | So that, in order that. | Initialism of Society of Authors, a United Kingdom trade union. |
Letter map: so's vs SoA
Shared letters muted; letters that set so's and SoA apart highlighted. Shared run: 2.
Part-of-speech tell for so's / SoA
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: so's is acontraction and SoAaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 73259, derived from the frequency rank of both members and their visual similarity.
so's is recorded at frequency rank #38,171, classified as acontraction. SoA is at rank #35,088, tagged as aname.
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 73259, this pair ranks #40,216 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of so's vs SoA
Shared letters: os. Private to "so's": -. Private to "SoA": a.
"so's" · 3 letters · shape CVC · "SoA" · 3 letters · shape CVV
Frequently Asked Questions
Can "so's" and "SoA" be used interchangeably?
Which is more common, "so's" or "SoA"?
Useful next steps
Done with this confusable. These links stay specific to "so's" and "SoA".
- Full dictionary entry for "so's" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "SoA" - compare definitions side by side with the headword page. Word entry
- This pair ranks #40,216 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "so's" and "SoA" also get mixed up with nearby pairs, the highest-scored neighbour is "so's vs suds". Nearby pair
Confusion rank #40,216 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.