Which to use
“STS” and “subs” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #40,514
- “STS” frequency rank
- #39,055
- “subs” frequency rank
- 79569
- confusion score
Side-by-Side Comparison
| Feature | STS | subs |
|---|---|---|
| Definition | Navette spatiale américaine ayant effectué 135 vols pour l'agence spatiale américaine (NASA) entre le 12 avril 1981 et juillet 2011. | Pluriel de sub (remplaçant·e). |
Where the eye mixes STS and subs
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: STS vs subs
A purely visual mix-up. STS (\ɛs te ɛs\) and subs (\syb\) 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 79569, derived from the frequency rank of both members and their visual similarity.
STS is recorded at frequency rank #40,514, classified as anoun, pronounced \ɛs te ɛs\. subs is at rank #39,055, tagged as anoun, pronounced \syb\.
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 79569, this pair ranks #22,969 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of STS vs subs
Shared letters: s. Private to "STS": t. Private to "subs": bu.
"STS" · 3 letters · shape CCC · "subs" · 4 letters · shape CVCC
Known mistypes of this pair
- subs ← sbus · ssubs · subbs · subss · susb · usbs
Frequently Asked Questions
Do "STS" and "subs" mean the same thing in a sentence?
Frequency check: "STS" vs "subs" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "STS" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "subs" - compare definitions side by side with the headword page. Word entry
- This pair ranks #22,969 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "STS" and "subs" also get mixed up with nearby pairs, the highest-scored neighbour is "STS vs suu". 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 #22,969 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.