Which to use
“sisi” and “STS” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #35,728
- “sisi” frequency rank
- #40,514
- “STS” frequency rank
- 76242
- confusion score
Side-by-Side Comparison
| Feature | sisi | STS |
|---|---|---|
| Definition | Fumée. | Navette spatiale américaine ayant effectué 135 vols pour l'agence spatiale américaine (NASA) entre le 12 avril 1981 et juillet 2011. |
Where the eye mixes sisi and STS
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: sisi vs STS
A purely visual mix-up. sisi (\sìsi\) and STS (\ɛs te ɛs\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 76242, derived from the frequency rank of both members and their visual similarity.
sisi is recorded at frequency rank #35,728, classified as anoun, pronounced \sìsi\. STS is at rank #40,514, tagged as anoun, pronounced \ɛs te ɛs\.
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 76242, this pair ranks #31,685 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of sisi vs STS
Shared letters: s. Private to "sisi": i. Private to "STS": t.
"sisi" · 4 letters · shape CVCV · "STS" · 3 letters · shape CCC
Frequently Asked Questions
Do "sisi" and "STS" mean the same thing in a sentence?
Frequency check: "sisi" vs "STS" - which ranks higher?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "sisi" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "STS" - compare definitions side by side with the headword page. Word entry
- This pair ranks #31,685 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "sisi" and "STS" also get mixed up with nearby pairs, the highest-scored neighbour is "STS vs suu". Nearby pair
Confusion rank #31,685 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.