duro

adj

The verdict

“duro” is a regularly-used Portuguese word, ranked #3,070 in Portuguese word frequency and used as an adjective.

#3,070
frequency rank, Portuguese
4
letters
5
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - difícil de quebrar ou de desfazer

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

duro vs duty
50% similar
duro vs duto
75% similar
duro vs do
50% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for duro
PropertyValue
Headwordduro
LanguagePortuguese
Part of speechAdjective
Letters4
Frequency rank#3,070
Misspellings tracked5
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “duro” sits in Portuguese frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). duro lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The Portuguese entry for duro is 4 letters long, classified as an adjective. Corpus data places it at rank #3,070 in overall Portuguese word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 5 likely wrong-spelling variants for duro, with forms such as "dduro", "druo", and "duor". 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 20 confusable-pair relationships, "duty", "duto", "do", and more, where similar look or sound leads writers to substitute one word for another in context.

No documented word history exists for this headword, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct Portuguese form is duro, spelled D-U-R-O.

Definition

  1. 1
    difícil de quebrar ou de desfazer
  2. 2
    rijo
  3. 3
    sem dinheiro

Synonyms

esgrêviorígido

This word in other languages

Common misspellings

Also misspelled as: dduro,druo,duor,durro,udro

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of duro - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

dduro1druo2duor2durro1udro2
Edit distance from "duro"

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 "duro"?
"duro" is spelled D-U-R-O.
What does "duro" mean?
As an adjective, "duro" means: difícil de quebrar ou de desfazer
What words are commonly confused with "duro"?
"duro" is commonly confused with "duty", "duto", "do". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What language does "duro" come from?
"duro" is a Portuguese word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “duro”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct Portuguese spelling is D-U-R-O - every other letter order is a misspelling in standard orthography.
  • Don't mix it up with “duty” - see the side-by-side comparison. duro vs duty
  • Browse more Portuguese words and confusable pairs in the same reference. Portuguese words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list