sepvsSTLTell them apart

Which to use

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

#24,774
“sep” frequency rank
#48,211
“STL” frequency rank
72985
confusion score

Side-by-Side Comparison

Feature sep STL
Definition Pièce de bois ou de fer, fixée à l'age d'une charrue, et qui porte le soc et le versoir. Une des huit séries du baccalauréat technologique, couvrant deux années de préparation avant le baccalauréat.

Where the eye mixes sep and STL

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. sep (CVC) and STL (CCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
sep
3 ch
STL

Look-alike desk: sep vs STL

A purely visual mix-up. sep (\sɛp\) and STL (\ɛs.te.ɛl\) 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 72985, derived from the frequency rank of both members and their visual similarity.

sep is recorded at frequency rank #24,774, classified as anoun, pronounced \sɛp\. STL is at rank #48,211, tagged as anoun, pronounced \ɛs.te.ɛl\.

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 72985, this pair ranks #42,094 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of sep vs STL

Shared letters: s. Private to "sep": ep. Private to "STL": lt.

"sep" · 3 letters · shape CVC  ·  "STL" · 3 letters · shape CCC

Frequently Asked Questions

Is swapping "sep" for "STL" ever safe?
No. They are said differently (\sɛp\ versus \ɛs.te.ɛl\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "sep" or "STL"?
"sep" is the more common of the two: it sits at frequency rank #24,774 in our French list, against #48,211 for "STL". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "sep" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "STL" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #42,094 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "sep" and "STL" also get mixed up with nearby pairs, the highest-scored neighbour is "STL vs suu". Nearby pair

Confusion rank #42,094 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