septvsstWhat's the difference?

Quick tell: sept is a adjective, st is a symbol, so they fill different roles in a sentence.

Which to use

“sept” is an adjective and “st” is a symbol - they look or sound alike but fill different roles in a sentence.

#831
“sept” frequency rank
#1,190
“st” frequency rank
2021
confusion score

Side-by-Side Comparison

Feature sept st
Definition Six plus un, adjectif numéral cardinal correspondant au nombre 7. Symbole de la stère.

Letter map: sept vs st

Shared letters muted; letters that set sept and st apart highlighted. Shared run: 2.

4 ch
sept
2 ch
st

Grammar separator: sept vs st

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sept is anadjective and stasymbol. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 2021, derived from the frequency rank of both members and their visual similarity.

sept is recorded at frequency rank #831, classified as anadj, pronounced \sɛt\. st is at rank #1,190, tagged as asymbol.

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 2021, this pair ranks #436,922 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of sept vs st

Shared letters: st. Private to "sept": ep. Private to "st": -.

"sept" · 4 letters · shape CVCC  ·  "st" · 2 letters · shape CC

Known mistypes of this pair

  • septespt · seppt · septt · setp · spet · ssept

Frequently Asked Questions

Is swapping "sept" for "st" ever safe?
No - they are not even the same part of speech. "sept" is an adjective and "st" a symbol, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sept" or "st"?
"sept" is the more common of the two: it sits at frequency rank #831 in our French list, against #1,190 for "st". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "sept" and "st".

  • Full dictionary entry for "sept" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "st" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #436,922 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "sept" and "st" also get mixed up with nearby pairs, the highest-scored neighbour is "st vs suu". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #436,922 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