Which to use
“árduo” is an adjective and “arrumo” is a verb - they look or sound alike but fill different roles in a sentence.
- #22,504
- “árduo” frequency rank
- #29,587
- “arrumo” frequency rank
- 52091
- confusion score
Side-by-Side Comparison
| Feature | árduo | arrumo |
|---|---|---|
| Definition | de difícil acesso | primeira pessoa do singular do presente indicativo do verbo arrumar |
Where the spellings diverge
Shared letters are muted; the letters that actually set árduo and arrumo apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: árduo is /ˈaɾ.dwu/ while arrumo is /ɐ.ˈRu.mu/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 52091, derived from the frequency rank of both members and their visual similarity.
árduo is recorded at frequency rank #22,504, classified as anadj, pronounced /ˈaɾ.dwu/. arrumo is at rank #29,587, tagged as averb, pronounced /ɐ.ˈRu.mu/.
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 52091, this pair ranks #13,038 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of árduo vs arrumo
Shared letters: oru. Private to "árduo": dá. Private to "arrumo": am.
"árduo" · 5 letters · shape VCCVV · "arrumo" · 6 letters · shape VCCVCV
Known mistypes of this pair
- arrumo ← arrmuo · arrummo · arruom · arumo · arurmo · rarumo
Frequency comparison
Frequently Asked Questions
Can "árduo" and "arrumo" be used interchangeably?
Which is more common, "árduo" or "arrumo"?
Remembering árduo vs arrumo
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “árduo”; for a verb, it's “arrumo”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “árduo” entry
- Browse more pairs most likely to be confused. Most confusable