viervsvipèreTell them apart

Which to use

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

#41,592
“vier” frequency rank
#30,021
“vipère” frequency rank
71613
confusion score

Side-by-Side Comparison

Feature vier vipère
Definition Pénis. Une des espèces de serpents de taille modérée, à tête triangulaire aux nombreuses petites écailles, à pupilles elliptiques et à queue courte.

Where the eye mixes vier and vipère

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. vier runs 4 letters (CVVC) against vipère's 6 (CVCVCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
vier
6 ch
vipère

Look-alike desk: vier vs vipère

A purely visual mix-up. vier (\vje\) and vipère (\vi.pɛʁ\) 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 2 letter(s) in length. Our composite confusion score for this pair is 71613, derived from the frequency rank of both members and their visual similarity.

vier is recorded at frequency rank #41,592, classified as anoun, pronounced \vje\. vipère is at rank #30,021, tagged as anoun, pronounced \vi.pɛʁ\.

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 71613, this pair ranks #46,952 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of vier vs vipère

Shared letters: eirv. Private to "vier": -. Private to "vipère": .

"vier" · 4 letters · shape CVVC  ·  "vipère" · 6 letters · shape CVCVCV

Known mistypes of this pair

  • vierveir · vvier

Frequently Asked Questions

Do "vier" and "vipère" mean the same thing in a sentence?
No. They are said differently (\vje\ versus \vi.pɛʁ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "vier" vs "vipère" - which ranks higher?
"vipère" is the more common of the two: it sits at frequency rank #30,021 in our French list, against #41,592 for "vier". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "vier" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "vipère" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #46,952 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "vier" and "vipère" also get mixed up with nearby pairs, the highest-scored neighbour is "vier vs viv". 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 #46,952 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