sécurisévssecurityWhich spelling fits?

Quick tell: sécurisé is a adjective, security is a noun, so they fill different roles in a sentence.

Which to use

“sécurisé” is an adjective and “security” is a noun - they look or sound alike but fill different roles in a sentence.

#10,955
“sécurisé” frequency rank
#18,064
“security” frequency rank
29019
confusion score

Side-by-Side Comparison

Feature sécurisé security
Definition Où l’on est en sécurité. Sécurité, sûreté.

Where the eye mixes sécurisé and security

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

8 ch
sécurisé
8 ch
security

Visual trap between sécurisé and security

These two trip readers on the page rather than in the ear: sécurisé is \se.ky.ʁi.ze\ while security is \sə.ˈkjuɹ.ɪ.ˌti\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 29019, derived from the frequency rank of both members and their visual similarity.

sécurisé is recorded at frequency rank #10,955, classified as anadj, pronounced \se.ky.ʁi.ze\. security is at rank #18,064, tagged as anoun, pronounced \sə.ˈkjuɹ.ɪ.ˌti\.

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 29019, this pair ranks #319,237 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sécurisé vs security

Shared letters: cirsu. Private to "sécurisé": é. Private to "security": ety.

"sécurisé" · 8 letters · shape CVCVCVCV  ·  "security" · 8 letters · shape CVCVCVCV

Known mistypes of this pair

  • securityescurity · sceurity · seccurity · secruity · secuirty · securitty · securityy · securiyt

Frequently Asked Questions

Can "sécurisé" and "security" be used interchangeably?
No - they are not even the same part of speech. "sécurisé" is an adjective and "security" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "sécurisé" vs "security" - which ranks higher?
"sécurisé" is the more common of the two: it sits at frequency rank #10,955 in our French list, against #18,064 for "security". 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 "sécurisé" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "security" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #319,237 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "sécurisé" and "security" also get mixed up with nearby pairs, the highest-scored neighbour is "sécurités vs security". 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 #319,237 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