Which to use
“says” is a verb and “STS” is a noun - they look or sound alike but fill different roles in a sentence.
- #42,038
- “says” frequency rank
- #40,514
- “STS” frequency rank
- 82552
- confusion score
Side-by-Side Comparison
| Feature | says | STS |
|---|---|---|
| Definition | Troisième personne du singulier du présent de say. | 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 says and STS
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: says vs STS
These two trip readers on the page rather than in the ear: says is \sɛz\ while STS is \ɛs te ɛs\. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 82552, derived from the frequency rank of both members and their visual similarity.
says is recorded at frequency rank #42,038, classified as averb, pronounced \sɛz\. 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 82552, this pair ranks #16,512 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of says vs STS
Shared letters: s. Private to "says": ay. Private to "STS": t.
"says" · 4 letters · shape CVVC · "STS" · 3 letters · shape CCC
Known mistypes of this pair
- says ← asys · sasy · sayss · sayys · ssays · syas
Frequently Asked Questions
Do "says" and "STS" mean the same thing in a sentence?
Frequency check: "says" vs "STS" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "says" 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 #16,512 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "says" and "STS" also get mixed up with nearby pairs, the highest-scored neighbour is "says vs soya". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #16,512 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.