Which to use
“st” is a symbol and “sy” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #1,190
- “st” frequency rank
- #15,261
- “sy” frequency rank
- 16451
- confusion score
Side-by-Side Comparison
| Feature | st | sy |
|---|---|---|
| Definition | Symbole de la stère. | Pronom personnel sujet féminin de la troisième personne du singulier : elle. |
Letter map: st vs sy
Shared letters muted; letters that set st and sy apart highlighted. Shared run: 1.
Part-of-speech tell for st / sy
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: st is asymbol and syapronoun. On the page they differ by a single letter - t in “st” becomes y in “sy”. Our composite confusion score for this pair is 16451, derived from the frequency rank of both members and their visual similarity.
st is recorded at frequency rank #1,190, classified as asymbol. sy is at rank #15,261, tagged as apron, pronounced \səi\.
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 16451, this pair ranks #387,785 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of st vs sy
Shared letters: s. Private to "st": t. Private to "sy": y.
"st" · 2 letters · shape CC · "sy" · 2 letters · shape CV
Frequently Asked Questions
Can "st" and "sy" be used interchangeably?
In ordinary French text, does "st" or "sy" show up more?
After this comparison
Pair "st" vs "sy" is on the table, pick a follow-up below.
- Full dictionary entry for "st" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sy" - compare definitions side by side with the headword page. Word entry
- This pair ranks #387,785 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "st" and "sy" also get mixed up with nearby pairs, the highest-scored neighbour is "suu vs sy". Nearby pair
Confusion rank #387,785 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.