Which to use
“SSR” is a noun and “sto” is a preposition - they look or sound alike but fill different roles in a sentence.
- #49,370
- “SSR” frequency rank
- #31,269
- “sto” frequency rank
- 80639
- confusion score
Side-by-Side Comparison
| Feature | SSR | sto |
|---|---|---|
| Definition | Sexe sans risque, safe sex. | Contraction de la préposition et de l'article défini, « dans le ». |
Where the eye mixes SSR and sto
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. SSR (CCC) and sto (CCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: SSR vs sto
These two trip readers on the page rather than in the ear: SSR is \ɛs.ɛs.ɛʁ\ while sto is \sɛ\. 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 (noun vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 80639, derived from the frequency rank of both members and their visual similarity.
SSR is recorded at frequency rank #49,370, classified as anoun, pronounced \ɛs.ɛs.ɛʁ\. sto is at rank #31,269, tagged as aprep, pronounced \sɛ\.
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 80639, this pair ranks #20,485 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of SSR vs sto
Shared letters: s. Private to "SSR": r. Private to "sto": ot.
"SSR" · 3 letters · shape CCC · "sto" · 3 letters · shape CCV
Frequently Asked Questions
Is swapping "SSR" for "sto" ever safe?
Frequency check: "SSR" vs "sto" - which ranks higher?
Useful next steps
Eye-level mix-up between "SSR" and "sto" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "SSR" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sto" - compare definitions side by side with the headword page. Word entry
- This pair ranks #20,485 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "SSR" and "sto" also get mixed up with nearby pairs, the highest-scored neighbour is "SSR vs suu". Nearby pair
Confusion rank #20,485 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.