SJ vs STS, What's the Difference?

Which to use

“SJ” and “STS” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#47,612
“SJ” frequency rank: #40,514
“STS” frequency rank: 88126
confusion score

Side-by-Side Comparison

Feature	SJ	STS
Definition	Société de Jésus.	Navette spatiale américaine ayant effectué 135 vols pour l'agence spatiale américaine (NASA) entre le 12 avril 1981 et juillet 2011.

Letter map: SJ vs STS

Shared letters muted; letters that set SJ and STS apart highlighted. Shared run: 1. SJ runs 2 letters (CC) against STS's 3 (CCC) - the length gap alone is often enough to separate them once you know to check it.

2 ch

3 ch

STS

Corpus notes: SJ and STS

SJ and STS are indexed as a confusable French pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 88126, derived from the frequency rank of both members and their visual similarity.

SJ is recorded at frequency rank #47,612, classified as anoun. 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 88126, this pair ranks #7,408 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of SJ vs STS

Shared letters: s. Private to "SJ": j. Private to "STS": t.

"SJ" · 2 letters · shape CC · "STS" · 3 letters · shape CCC

Frequently Asked Questions

Is swapping "SJ" for "STS" ever safe?

No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.

Frequency check: "SJ" vs "STS" - which ranks higher?

"STS" is the more common of the two: it sits at frequency rank #40,514 in our French list, against #47,612 for "SJ". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "SJ" and "STS". Here's where to go from here.

Full dictionary entry for "SJ" 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 #7,408 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"SJ" and "STS" also get mixed up with nearby pairs, the highest-scored neighbour is "SJ vs suu". Nearby pair

Confusion rank #7,408 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.