déstabilisevsdéstabiliserWhich spelling fits?

Which to use

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

#43,402
“déstabilise” frequency rank
#17,689
“déstabiliser” frequency rank
61091
confusion score

Side-by-Side Comparison

Feature déstabilise déstabiliser
Definition Première personne du singulier du présent de l’indicatif de déstabiliser. Rendre instable.

Where the eye mixes déstabilise and déstabiliser

Muted = shared; highlighted = the visual trap. They share 11 letters in sequence. déstabilise runs 11 letters (CVCCVCVCVCV) against déstabiliser's 12 (CVCCVCVCVCVC) - the length gap alone is often enough to separate them once you know to check it.

11 ch
déstabilise
12 ch
déstabiliser

Look-alike desk: déstabilise vs déstabiliser

A purely visual mix-up. déstabilise (\de.sta.bi.liz\) and déstabiliser (\de.sta.bi.li.ze\) 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 extra letter(s) - “déstabilise” sits inside “déstabiliser”. Our composite confusion score for this pair is 61091, derived from the frequency rank of both members and their visual similarity.

déstabilise is recorded at frequency rank #43,402, classified as averb, pronounced \de.sta.bi.liz\. déstabiliser is at rank #17,689, tagged as averb, pronounced \de.sta.bi.li.ze\.

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 61091, this pair ranks #94,115 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of déstabilise vs déstabiliser

Shared letters: abdeilsté. Private to "déstabilise": -. Private to "déstabiliser": r.

"déstabilise" · 11 letters · shape CVCCVCVCVCV  ·  "déstabiliser" · 12 letters · shape CVCCVCVCVCVC

Frequently Asked Questions

Is swapping "déstabilise" for "déstabiliser" ever safe?
No. They are said differently (\de.sta.bi.liz\ versus \de.sta.bi.li.ze\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "déstabilise" vs "déstabiliser" - which ranks higher?
"déstabiliser" is the more common of the two: it sits at frequency rank #17,689 in our French list, against #43,402 for "déstabilise". 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 "déstabilise" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "déstabiliser" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #94,115 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics

Confusion rank #94,115 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