extensionvsextorsionWhich spelling fits?

Which to use

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

#3,195
“extension” frequency rank
#28,946
“extorsion” frequency rank
32141
confusion score

Side-by-Side Comparison

Feature extension extorsion
Definition Accroissement d’étendue. Action d’extorquer, d'obtenir par la force, le chantage, l'intimidation ou tout autre moyen de pression.

Where the eye mixes extension and extorsion

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. extension and extorsion follow the identical consonant-vowel pattern (VCCVCCVVC). Same shape at a glance is often the real trap, independent of shared letters.

9 ch
extension
9 ch
extorsion

Visual trap between extension and extorsion

A purely visual mix-up. extension (\ɛk.stɑ̃.sjɔ̃\) and extorsion (\ɛk.stɔʁ.sjɔ̃\) 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 32141, derived from the frequency rank of both members and their visual similarity.

extension is recorded at frequency rank #3,195, classified as anoun, pronounced \ɛk.stɑ̃.sjɔ̃\. extorsion is at rank #28,946, tagged as anoun, pronounced \ɛk.stɔʁ.sjɔ̃\.

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 32141, this pair ranks #299,267 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of extension vs extorsion

Shared letters: einostx. Private to "extension": -. Private to "extorsion": r.

"extension" · 9 letters · shape VCCVCCVVC  ·  "extorsion" · 9 letters · shape VCCVCCVVC

Known mistypes of this pair

  • extension ← etxension · exetnsion · extenison · extennsion · extensino · extensionn · extensoin · extenssion
  • extorsion ← etxorsion · exotrsion · extorison · extorrsion · extorsino · extorsionn · extorsoin · extorssion

Frequently Asked Questions

Do "extension" and "extorsion" mean the same thing in a sentence?
No. They are said differently (\ɛk.stɑ̃.sjɔ̃\ versus \ɛk.stɔʁ.sjɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "extension" vs "extorsion" - which ranks higher?
"extension" is the more common of the two: it sits at frequency rank #3,195 in our French list, against #28,946 for "extorsion". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "extension" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "extorsion" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #299,267 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "extension" and "extorsion" also get mixed up with nearby pairs, the highest-scored neighbour is "excursion vs extorsion". 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 #299,267 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