Which to use
“ses” is a noun and “so” is a conjunction - they look or sound alike but fill different roles in a sentence.
- #20,491
- “ses” frequency rank
- #33
- “so” frequency rank
- 20524
- confusion score
Side-by-Side Comparison
| Feature | ses | so |
|---|---|---|
| Definition | Alternative spelling of sess (sensimilla) | Reduced form of 'so that', used to express purpose; in order that. |
Letter map: ses vs so
Shared letters muted; letters that set ses and so apart highlighted. Shared run: 1.
Part-of-speech tell for ses / so
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ses is anoun and soaconjunction. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 20524, derived from the frequency rank of both members and their visual similarity.
ses is recorded at frequency rank #20,491, classified as anoun. so is at rank #33, tagged as aconj, pronounced /səʊ/.
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 20524, this pair ranks #430,536 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of ses vs so
Shared letters: s. Private to "ses": e. Private to "so": o.
"ses" · 3 letters · shape CVC · "so" · 2 letters · shape CV
Frequently Asked Questions
Is swapping "ses" for "so" ever safe?
Frequency check: "ses" vs "so" - which ranks higher?
What to do next
You've compared "ses" and "so". Here's where to go from here.
- Full dictionary entry for "ses" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "so" - compare definitions side by side with the headword page. Word entry
- This pair ranks #430,536 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ses" and "so" also get mixed up with nearby pairs, the highest-scored neighbour is "ses vs suds". Nearby pair
Confusion rank #430,536 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.