Which to use
“ardido” and “arduo” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #45,744
- “ardido” frequency rank
- #21,901
- “arduo” frequency rank
- 67645
- confusion score
Side-by-Side Comparison
| Feature | ardido | arduo |
|---|---|---|
| Definition | Que se aventura sin temor al peligro. | Muy complicado. |
Where the eye mixes ardido and arduo
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. ardido runs 6 letters (VCCVCV) against arduo's 5 (VCCVV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: ardido vs arduo
A purely visual mix-up. ardido ([aɾˈð̞ið̞o]) and arduo ([ˈaɾð̞wo]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 67645, derived from the frequency rank of both members and their visual similarity.
ardido is recorded at frequency rank #45,744, classified as anadj, pronounced [aɾˈð̞ið̞o]. arduo is at rank #21,901, tagged as anadj, pronounced [ˈaɾð̞wo].
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 67645, this pair ranks #36,597 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of ardido vs arduo
Shared letters: ador. Private to "ardido": i. Private to "arduo": u.
"ardido" · 6 letters · shape VCCVCV · "arduo" · 5 letters · shape VCCVV
Known mistypes of this pair
Frequently Asked Questions
Do "ardido" and "arduo" mean the same thing in a sentence?
Frequency check: "ardido" vs "arduo" - which ranks higher?
What to do next
Eye-level mix-up between "ardido" and "arduo" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "ardido" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "arduo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #36,597 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "ardido" and "arduo" also get mixed up with nearby pairs, the highest-scored neighbour is "ardía vs ardido". 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 #36,597 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.