vipèrevsviserConfusable pair

Quick tell: vipère is a noun, viser is a verb, so they fill different roles in a sentence.

Which to use

“vipère” is a noun and “viser” is a verb - they look or sound alike but fill different roles in a sentence.

#30,021
“vipère” frequency rank
#8,945
“viser” frequency rank
38966
confusion score

Side-by-Side Comparison

Feature vipère viser
Definition Une des espèces de serpents de taille modérée, à tête triangulaire aux nombreuses petites écailles, à pupilles elliptiques et à queue courte. Mirer, diriger attentivement son regard ou une arme vers un but pour y lancer quelque chose.

Where the eye mixes vipère and viser

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

6 ch
vipère
5 ch
viser

Visual trap between vipère and viser

These two trip readers on the page rather than in the ear: vipère is \vi.pɛʁ\ while viser is \vi.ze\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 38966, derived from the frequency rank of both members and their visual similarity.

vipère is recorded at frequency rank #30,021, classified as anoun, pronounced \vi.pɛʁ\. viser is at rank #8,945, tagged as averb, pronounced \vi.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 38966, this pair ranks #251,523 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of vipère vs viser

Shared letters: eirv. Private to "vipère": . Private to "viser": s.

"vipère" · 6 letters · shape CVCVCV  ·  "viser" · 5 letters · shape CVCVC

Known mistypes of this pair

  • viserivser · viesr · viserr · visre · vsier · vviser

Frequently Asked Questions

Do "vipère" and "viser" mean the same thing in a sentence?
No - they are not even the same part of speech. "vipère" is a noun and "viser" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "vipère" or "viser"?
"viser" is the more common of the two: it sits at frequency rank #8,945 in our French list, against #30,021 for "vipère". 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 "vipère" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "viser" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #251,523 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "vipère" and "viser" also get mixed up with nearby pairs, the highest-scored neighbour is "Viper vs vipère". 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 #251,523 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