snvssyWhich spelling fits?

Quick tell: sn is a symbol, sy is a pronoun, so they fill different roles in a sentence.

Which to use

“sn” is a symbol and “sy” is a pronoun - they look or sound alike but fill different roles in a sentence.

#27,624
“sn” frequency rank
#15,261
“sy” frequency rank
42885
confusion score

Side-by-Side Comparison

Feature sn sy
Definition Symbole de la sthène, unité de mesure de force du système mts. Pronom personnel sujet féminin de la troisième personne du singulier : elle.

Letter map: sn vs sy

Shared letters muted; letters that set sn and sy apart highlighted. Shared run: 1.

2 ch
sn
2 ch
sy

Part-of-speech tell for sn / sy

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sn is asymbol and syapronoun. On the page they differ by a single letter - n in “sn” becomes y in “sy”. Our composite confusion score for this pair is 42885, derived from the frequency rank of both members and their visual similarity.

sn is recorded at frequency rank #27,624, 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 42885, this pair ranks #222,151 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sn vs sy

Shared letters: s. Private to "sn": n. Private to "sy": y.

"sn" · 2 letters · shape CC  ·  "sy" · 2 letters · shape CV

Frequently Asked Questions

Can "sn" and "sy" be used interchangeably?
No - they are not even the same part of speech. "sn" is a symbol and "sy" a pronoun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "sn" or "sy" show up more?
"sy" is the more common of the two: it sits at frequency rank #15,261 in our French list, against #27,624 for "sn". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "sn" and "sy".

  • Full dictionary entry for "sn" 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 #222,151 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "sn" and "sy" also get mixed up with nearby pairs, the highest-scored neighbour is "sn vs suu". Nearby pair

Confusion rank #222,151 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list