sesvssuuWhich spelling fits?

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

Which to use

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

#67
“ses” frequency rank
#49,960
“suu” frequency rank
50027
confusion score

Side-by-Side Comparison

Feature ses suu
Definition Pluriel des déterminants possessifs son et sa. Qui sont à lui ou à elle. Note d’usage : Un seul possesseur et plusieurs objets. Son.

Where the eye mixes ses and suu

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

3 ch
ses
3 ch
suu

Why the eye confuses ses with suu

These two trip readers on the page rather than in the ear: ses is \se\ while suu is \ˈsuː\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (determiner vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 50027, derived from the frequency rank of both members and their visual similarity.

ses is recorded at frequency rank #67, classified as adet, pronounced \se\. suu is at rank #49,960, tagged as anadj, pronounced \ˈsuː\.

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 50027, this pair ranks #165,862 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ses vs suu

Shared letters: s. Private to "ses": e. Private to "suu": u.

"ses" · 3 letters · shape CVC  ·  "suu" · 3 letters · shape CVV

Frequently Asked Questions

Can "ses" and "suu" be used interchangeably?
No - they are not even the same part of speech. "ses" is a determiner and "suu" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ses" or "suu"?
"ses" is the more common of the two: it sits at frequency rank #67 in our French list, against #49,960 for "suu". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "ses" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "suu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #165,862 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ses" and "suu" also get mixed up with nearby pairs, the highest-scored neighbour is "SSR vs suu". Nearby pair

Confusion rank #165,862 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