viagervsViagraConfusable pair

Quick tell: viager is a adjective, Viagra is a name, so they fill different roles in a sentence.

Which to use

“viager” is an adjective and “Viagra” is a name - they look or sound alike but fill different roles in a sentence.

#41,588
“viager” frequency rank
#30,019
“Viagra” frequency rank
71607
confusion score

Side-by-Side Comparison

Feature viager Viagra
Definition Qui est à vie, dont on doit jouir durant sa vie. Citrate de sildénafil, médicament contre l’impuissance sexuelle et l’hypertension artérielle pulmonaire, développé par la firme pharmaceutique Pfizer.

Where the eye mixes viager and Viagra

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

6 ch
viager
6 ch
Viagra

Why the eye confuses viager with Viagra

These two trip readers on the page rather than in the ear: viager is \vja.ʒe\ while Viagra is \vja.ɡʁa\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs name), which is usually the fastest check. Our composite confusion score for this pair is 71607, derived from the frequency rank of both members and their visual similarity.

viager is recorded at frequency rank #41,588, classified as anadj, pronounced \vja.ʒe\. Viagra is at rank #30,019, tagged as aname, pronounced \vja.ɡʁa\.

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 71607, this pair ranks #46,975 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of viager vs Viagra

Shared letters: agirv. Private to "viager": e. Private to "Viagra": -.

"viager" · 6 letters · shape CVVCVC  ·  "Viagra" · 6 letters · shape CVVCCV

Known mistypes of this pair

  • viagerivager · vaiger · viaegr · viagerr · viagger · viagre · vigaer · vviager
  • Viagraivagra · vaigra · viagar · viaggra · viagrra · viarga · vigara · vviagra

Frequently Asked Questions

Is swapping "viager" for "Viagra" ever safe?
No - they are not even the same part of speech. "viager" is an adjective and "Viagra" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "viager" vs "Viagra" - which ranks higher?
"Viagra" is the more common of the two: it sits at frequency rank #30,019 in our French list, against #41,588 for "viager". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "viager" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Viagra" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #46,975 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "viager" and "Viagra" also get mixed up with nearby pairs, the highest-scored neighbour is "viager vs Viper". 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 #46,975 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