STS

\ɛs te ɛs\

/\ɛs te ɛs\/ noun

The verdict

“STS” sits in 20 confusable pairs (corpus #40,514) as a noun. The look-alike neighbours are the real trap.

#40,514
frequency rank, French
6,032
“S” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Navette spatiale américaine ayant effectué 135 vols pour l'agence spatiale américaine (NASA) entre le 12 avril 1981 et juillet 2011.

Corpus desk

Index FR-sts · STS · French

STS · rank #40,514 · 0 variants · 20 confusables

  • FREQ-MID #40,514
  • LEN-MID 3 letters
  • VOW-0 0 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-DENSE 6,032
  • PHOTO-FINISH storytelling

Nearest frequency peer: storytelling (-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.

Voisins de fréquence du confusable « STS »

Pairs de poids proche dans le corpus, séparés des confusables ci-dessous

corpus weight

What this shows Les barres placent « STS » face aux lemmes français les plus proches par rang, pas un reprint du bureau des confusables.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

STS vs su
0% similar
STS vs sy
0% similar
STS vs SV
33% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for STS
PropertyValue
HeadwordSTS
LanguageFrench
Part of speechNoun
IPA\ɛs te ɛs\
Letters3
Frequency rank#40,514
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Rang de corpus près des confusables de « STS »

De gauche à droite: le peu qui porte la parole quotidienne, puis la longue queue quasi invisible.STSse place ici:

#1#100#1K#10K#100K
← used constantlyrarely used →

L'axe est logarithmique: chaque tic marque environ dix fois moins de fréquence. Dans la même bande de rareté figurent « storytelling » (#40,513), « stèles » (#40,515), « steppe » (#40,512). Parmi 6,032 lemmes en « S », « STS » est au #40,514. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for STS is neighbouring look-alikes ("su", "sy", …), not just typos; it is anoun pronounced \ɛs te ɛs\. Frequency #40,514 among 6,032 “S” headwords. Gloss: "Navette spatiale américaine ayant effectué 135 vols pour l'agence spatiale américaine (NASA) entre le 12 avril 1981 et juillet 2011.".

We couldn't generate a plausible misspelling set for STS, suggesting the orthography follows predictable French patterns. It also participates in 20 confusable-pair relationships, "su", "sy", "SV", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

This entry's etymology isn't recorded, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct French form is STS, spelled S-T-S.

Definition

  1. 1
    Navette spatiale américaine ayant effectué 135 vols pour l'agence spatiale américaine (NASA) entre le 12 avril 1981 et juillet 2011.

Recorded use

Wiktionary examples

These source excerpts show how STS appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Le STS, système de transport spatial est développé par la NASA, l’agence civile de l' espace.
  2. IDEM dans Space Station 3D ou on voit une séparation d'un STS et de l'ISS: la soute est éclairée...

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 "STS"?
"STS" is spelled S-T-S. The IPA pronunciation is \ɛs te ɛs\.
What does "STS" mean?
As a noun, "STS" means: Navette spatiale américaine ayant effectué 135 vols pour l'agence spatiale américaine (NASA) entre le 12 avril 1981 et juillet 2011.
What words are commonly confused with "STS"?
"STS" is commonly confused with "su", "sy", "SV". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "STS"?
The IPA (International Phonetic Alphabet) transcription for "STS" is \ɛs te ɛs\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "STS" come from?
"STS" is a French word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar French words by spelling shape

Same letter count and similar misspelling depth for "STS", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 3 letters (nearest by frequency rank).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list