Which to use
“algue” is a noun and “ardue” is an adjective - they look or sound alike but fill different roles in a sentence.
- #31,338
- “algue” frequency rank
- #34,418
- “ardue” frequency rank
- 65756
- confusion score
Side-by-Side Comparison
| Feature | algue | ardue |
|---|---|---|
| Definition | Végétal aquatique poussant sous l’eau (par opposition aux nénufars) pouvant appartenir à des groupes phylogénétiques très différents (polyphylétique) et capables de photosynthèse, donc autotrophes. | Féminin singulier de ardu. |
Where the eye mixes algue and ardue
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. algue and ardue follow the identical consonant-vowel pattern (VCCVV). Same shape at a glance is often the real trap, independent of shared letters.
Look-alike desk: algue vs ardue
These two trip readers on the page rather than in the ear: algue is \alɡ\ while ardue is \aʁ.dy\. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 65756, derived from the frequency rank of both members and their visual similarity.
algue is recorded at frequency rank #31,338, classified as anoun, pronounced \alɡ\. ardue is at rank #34,418, tagged as anadj, pronounced \aʁ.dy\.
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 65756, this pair ranks #70,925 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of algue vs ardue
Shared letters: aeu. Private to "algue": gl. Private to "ardue": dr.
"algue" · 5 letters · shape VCCVV · "ardue" · 5 letters · shape VCCVV
Known mistypes of this pair
Frequently Asked Questions
Do "algue" and "ardue" mean the same thing in a sentence?
In ordinary French text, does "algue" or "ardue" show up more?
Useful next steps
Eye-level mix-up between "algue" and "ardue" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "algue" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ardue" - compare definitions side by side with the headword page. Word entry
- This pair ranks #70,925 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "algue" and "ardue" 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 #70,925 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.