S1
\ɛs.œ̃\
The verdict
“S1” sits in 20 confusable pairs (corpus #23,361) as a noun. The look-alike neighbours are the real trap.
- #23,361
- frequency rank, French
- 6,032
- “S” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Première vertèbre sacrale (de haut en bas).
Corpus desk
Index FR-s1 · S1 · French
S1 · rank #23,361 · 0 variants · 20 confusables
- FREQ-MID #23,361
- LEN-SHORT 2 letters
- VOW-0 0 vowels
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-DENSE 6,032
- PHOTO-FINISH salutaire
Nearest frequency peer: salutaire (+1 rank slots)
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Frequency neighbourhood for “S1”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- résidentiels
résidentiels
76,643 corpus weight
- rétablit
rétablit
76,642 corpus weight
- S1
S1
76,640 corpus weight
- salutaire
salutaire
76,639 corpus weight
- Salvatore
Salvatore
76,638 corpus weight
- scellés
scellés
76,637 corpus weight
What this shows Bars show where “S1” sits against the nearest ranked French headwords in the FrequencyWords band, not a reprint of letter-browse containment.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | S1 |
| Language | French |
| Part of speech | Noun |
| IPA | \ɛs.œ̃\ |
| Letters | 2 |
| Frequency rank | #23,361 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Où “S1” se place dans la fréquence du français
Easy to mix with look-alikes
The spelling risk for S1 is neighbouring look-alikes ("se", "si", …), not just typos; it is anoun pronounced \ɛs.œ̃\. Frequency #23,361 among 6,032 “S” headwords. Gloss: "Première vertèbre sacrale (de haut en bas).".
Our edit-distance generator produced no likely misspellings for S1, which points to an orthography that plays by predictable French rules. It also participates in 20 confusable-pair relationships, "se", "si", "sa", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
This headword's origin isn't recorded in our source data, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct French form is S1, spelled S-1.
Definition
- 1Première vertèbre sacrale (de haut en bas).
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 French corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "S1"?
What does "S1" mean?
What words are commonly confused with "S1"?
How do you pronounce "S1"?
What language does "S1" come from?
Is PlainSpell free to use?
What to do next
You've looked up "S1". Here's where to go from here.
- "S1" maps to 20 confusable pairs in this vintage; the highest-scored is "se". View pair
- Usage frequency rank #23,361 among French headwords in this corpus. Corpus statistics
- Browse more French words in the "S" letter cohort. S–Z browse
PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.