STSvssukConfusable pair

Which to use

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

#40,514
“STS” frequency rank
#47,626
“suk” frequency rank
88140
confusion score

Side-by-Side Comparison

Feature STS suk
Definition Navette spatiale américaine ayant effectué 135 vols pour l'agence spatiale américaine (NASA) entre le 12 avril 1981 et juillet 2011. Nœud dans le bois.

Where the eye mixes STS and suk

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
STS
3 ch
suk

Why the eye confuses STS with suk

A purely visual mix-up. STS (\ɛs te ɛs\) and suk (\sʊk\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 88140, 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\. suk is at rank #47,626, tagged as anoun, pronounced \sʊk\.

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 88140, this pair ranks #7,383 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of STS vs suk

Shared letters: s. Private to "STS": t. Private to "suk": ku.

"STS" · 3 letters · shape CCC  ·  "suk" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "STS" for "suk" ever safe?
No. They are said differently (\ɛs te ɛs\ versus \sʊk\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "STS" or "suk" show up more?
"STS" is the more common of the two: it sits at frequency rank #40,514 in our French list, against #47,626 for "suk". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "STS" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "suk" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #7,383 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "STS" and "suk" also get mixed up with nearby pairs, the highest-scored neighbour is "suk vs suu". Nearby pair

Confusion rank #7,383 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list