árduo
/ˈaɾ.dwu/
The verdict
“árduo” has 6 generated spelling variants in the Portuguese index at frequency #22,504. The variants make it a useful spelling check.
- #22,504
- frequency rank, Portuguese
- 25
- “Á” headwords
- 6
- tracked misspellings
- 11
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - de difícil acesso
Corpus desk
Index PT-arduo · árduo · Portuguese
árduo · rank #22,504 · 6 variants · 11 confusables
- FREQ-MID #22,504
- LEN-MID 5 letters
- VOW-3 3 vowels
- CONFUS-MID 11 pairs
- VAR-MID 6 variants
- BOOK-MID 25
- PHOTO-FINISH zelo
Nearest frequency peer: zelo (-1 rank slots)
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Pares de rank junto ao íman ortográfico “árduo”
Mesma faixa de raridade: útil se um typo cair num lema vizinho
- vidente
vidente
77,505 corpus weight
- zelo
zelo
77,498 corpus weight
- árduo
árduo
77,497 corpus weight
- égua
égua
77,496 corpus weight
- óxido
óxido
77,495 corpus weight
- adoptar
adoptar
77,491 corpus weight
What this shows “árduo” está entre estes pares FrequencyWords; a profundidade de typo mede-se à parte no gráfico de distância de edição.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | árduo |
| Language | Portuguese |
| Part of speech | Adjective |
| IPA | /ˈaɾ.dwu/ |
| Letters | 5 |
| Frequency rank | #22,504 |
| Misspellings tracked | 6 |
| Confusable pairs | 11 |
| Source | Wiktionary (kaikki.org) |
Frequência do íman ortográfico “árduo”
A misspelling magnet
The generator records 6 spelling variants around árduo (IPA /ˈaɾ.dwu/), anadjective. Corpus frequency is #22,504 among 25 “Á” headwords. Wiktionary lists 2 senses, so context still picks the gloss.
Our generated misspelling index lists 6 likely wrong-spelling variants for árduo, with forms such as "ráduo", "ádruo", and "árdduo". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 11 confusable-pair relationships, "aro", "audio", "árido", and more, where similar look or sound leads writers to substitute one word for another in context.
This entry carries no recorded etymology, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct Portuguese form is árduo, spelled Á-R-D-U-O.
Definition
- 1de difícil acesso
- 2trabalhoso
This word in other languages
Common misspellings
Also misspelled as:
- ráduo
- ádruo
- árdduo
- árdou
- árrduo
- árudo
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of árduo - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 Portuguese corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "árduo"?
What does "árduo" mean?
What words are commonly confused with "árduo"?
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Similar Portuguese words by spelling shape
Same letter count and similar misspelling depth for "árduo", not the corpus desk frequency band.
Same letter count
Frequency-ranked Portuguese headwords with 5 letters (nearest by frequency rank).
Similar misspelling depth
Headwords with a similar count of attested misspellings (6 here; floor ≥5).