arduevsargusWhich spelling fits?

Quick tell: ardue is a adjective, argus is a noun, so they fill different roles in a sentence.

Which to use

“ardue” is an adjective and “argus” is a noun - they look or sound alike but fill different roles in a sentence.

#34,418
“ardue” frequency rank
#33,550
“argus” frequency rank
67968
confusion score

Side-by-Side Comparison

Feature ardue argus
Definition Féminin singulier de ardu. Publication donnant une cote des voitures en fonction de leur âge et modèle.

Where the eye mixes ardue and argus

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

5 ch
ardue
5 ch
argus

Why the eye confuses ardue with argus

These two trip readers on the page rather than in the ear: ardue is \aʁ.dy\ while argus is \aʁ.ɡys\. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 67968, derived from the frequency rank of both members and their visual similarity.

ardue is recorded at frequency rank #34,418, classified as anadj, pronounced \aʁ.dy\. argus is at rank #33,550, tagged as anoun, pronounced \aʁ.ɡys\.

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 67968, this pair ranks #61,185 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of ardue vs argus

Shared letters: aru. Private to "ardue": de. Private to "argus": gs.

"ardue" · 5 letters · shape VCCVV  ·  "argus" · 5 letters · shape VCCVC

Known mistypes of this pair

  • ardueadrue · arddue · ardeu · arrdue · arude · radue
  • argusagrus · arggus · argsu · arguss · arrgus · arugs · ragus

Frequently Asked Questions

Do "ardue" and "argus" mean the same thing in a sentence?
No - they are not even the same part of speech. "ardue" is an adjective and "argus" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "ardue" or "argus" show up more?
"argus" is the more common of the two: it sits at frequency rank #33,550 in our French list, against #34,418 for "ardue". 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 "ardue" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "argus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #61,185 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ardue" and "argus" also get mixed up with nearby pairs, the highest-scored neighbour is "ardue vs aru". 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 #61,185 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