Which to use
“ardu” is an adjective and “aris” is a verb - they look or sound alike but fill different roles in a sentence.
- #34,869
- “ardu” frequency rank
- #45,442
- “aris” frequency rank
- 80311
- confusion score
Side-by-Side Comparison
| Feature | ardu | aris |
|---|---|---|
| Definition | D’accès difficile. | Première personne du singulier du passé défini de l’indicatif du verbe arat/ariñ. |
Where the eye mixes ardu and aris
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. ardu (VCCV) and aris (VCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Visual trap between ardu and aris
These two trip readers on the page rather than in the ear: ardu is \aʁ.dy\ while aris is \ˈɑːris\. 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 verb), which is usually the fastest check. Our composite confusion score for this pair is 80311, derived from the frequency rank of both members and their visual similarity.
ardu is recorded at frequency rank #34,869, classified as anadj, pronounced \aʁ.dy\. aris is at rank #45,442, tagged as averb, pronounced \ˈɑːris\.
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 80311, this pair ranks #21,275 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of ardu vs aris
Shared letters: ar. Private to "ardu": du. Private to "aris": is.
"ardu" · 4 letters · shape VCCV · "aris" · 4 letters · shape VCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "ardu" for "aris" ever safe?
In ordinary French text, does "ardu" or "aris" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "ardu" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "aris" - compare definitions side by side with the headword page. Word entry
- This pair ranks #21,275 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "ardu" and "aris" also get mixed up with nearby pairs, the highest-scored neighbour is "aris vs aves". 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 #21,275 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.