sécuvssetupTell them apart

Which to use

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

#15,263
“sécu” frequency rank
#40,012
“setup” frequency rank
55275
confusion score

Side-by-Side Comparison

Feature sécu setup
Definition Sécurité sociale. Programme servant à l'installation et mise en place d'un logiciel sur un ordinateur ou un appareil électronique. Aussi utilisé pour signifier sa configuration matérielle informatique.

Where the eye mixes sécu and setup

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
sécu
5 ch
setup

Visual trap between sécu and setup

A purely visual mix-up. sécu (\se.ky\) and setup (\sɛ.tœp\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 55275, derived from the frequency rank of both members and their visual similarity.

sécu is recorded at frequency rank #15,263, classified as anoun, pronounced \se.ky\. setup is at rank #40,012, tagged as anoun, pronounced \sɛ.tœp\.

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 55275, this pair ranks #128,483 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sécu vs setup

Shared letters: su. Private to "sécu": . Private to "setup": ept.

"sécu" · 4 letters · shape CVCV  ·  "setup" · 5 letters · shape CVCVC

Known mistypes of this pair

  • setupestup · setpu · settup · setupp · seutp · ssetup · steup

Frequently Asked Questions

Do "sécu" and "setup" mean the same thing in a sentence?
No. They are said differently (\se.ky\ versus \sɛ.tœp\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "sécu" or "setup"?
"sécu" is the more common of the two: it sits at frequency rank #15,263 in our French list, against #40,012 for "setup". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "sécu" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "setup" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #128,483 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "sécu" and "setup" also get mixed up with nearby pairs, the highest-scored neighbour is "Sepp vs setup". 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 #128,483 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