savsslyWhich spelling fits?

Quick tell: sa is a determiner, sly is an adjective, so they fill different roles in a sentence.

Which to use

“sa” is a determiner and “sly” is an adjective - they look or sound alike but fill different roles in a sentence.

#57
“sa” frequency rank
#47,613
“sly” frequency rank
47670
confusion score

Side-by-Side Comparison

Feature sa sly
Definition Déterminant utilisé pour rendre l’idée de possession d’un objet ayant un rapport avec la personne dont on parle. Matois, malin.

Where the eye mixes sa and sly

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch
sa
3 ch
sly

Look-alike desk: sa vs sly

These two trip readers on the page rather than in the ear: sa is \sa\ while sly is \ˈslaɪ\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (determiner vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 47670, derived from the frequency rank of both members and their visual similarity.

sa is recorded at frequency rank #57, classified as adet, pronounced \sa\. sly is at rank #47,613, tagged as anadj, pronounced \ˈslaɪ\.

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 47670, this pair ranks #185,099 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sa vs sly

Shared letters: s. Private to "sa": a. Private to "sly": ly.

"sa" · 2 letters · shape CV  ·  "sly" · 3 letters · shape CCV

Frequently Asked Questions

Can "sa" and "sly" be used interchangeably?
No - they are not even the same part of speech. "sa" is a determiner and "sly" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "sa" or "sly" show up more?
"sa" is the more common of the two: it sits at frequency rank #57 in our French list, against #47,613 for "sly". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Eye-level mix-up between "sa" and "sly" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "sa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sly" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #185,099 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "sa" and "sly" also get mixed up with nearby pairs, the highest-scored neighbour is "sly vs suu". Nearby pair

Confusion rank #185,099 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