Douro
"douro" is a 5-letter English headword indexed on PlainSpell.
The verdict
“Douro” is an uncommon English word, ranked #72,254 in English word frequency and used as a proper noun.
- #72,254
- frequency rank, English
- 5
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A river in northern Spain and Portugal.
| Property | Value |
|---|---|
| Headword | Douro |
| Language | English |
| Part of speech | Proper noun |
| Letters | 5 |
| Frequency rank | #72,254 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “Douro” sits in English frequency
Spelling & Dictionary Insight
The English entry for Douro is 5 letters long, classified as a proper noun. Corpus data places it at rank #72,254 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "A river in northern Spain and Portugal.".
Douro has no tracked misspelling variants, and the word's spelling is regular enough that our generator found nothing worth flagging. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: Borrowed from Portuguese Douro, from Old Galician-Portuguese Doiro, from Latin Durius, possibly from Proto-Celtic *dubros (“water”). The correct English form is Douro, spelled D-O-U-R-O.
Definition
- 1A river in northern Spain and Portugal.
Etymology
Borrowed from Portuguese Douro, from Old Galician-Portuguese Doiro, from Latin Durius, possibly from Proto-Celtic *dubros (“water”).
This word in other languages
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 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “Douro”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is D-O-U-R-O - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English 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.