blu
/ˈblu/
The verdict
“blu” is a moderately-common Spanish word, ranked #20,908 in Spanish word frequency and used as an adjective.
- #20,908
- frequency rank, Spanish
- 3
- letters
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Azul.
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 | blu |
| Language | Spanish |
| Part of speech | Adjective |
| IPA | /ˈblu/ |
| Letters | 3 |
| Frequency rank | #20,908 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “blu” sits in Spanish frequency
Spelling & Dictionary Insight
The Spanish entry for blu is 3 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ˈblu/. Corpus data places it at rank #20,908 in overall Spanish word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Azul.".
Our edit-distance generator produced no likely misspellings for blu, suggesting the orthography follows predictable Spanish patterns. It also participates in 20 confusable-pair relationships, "by", "bo", "bu", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.
Our source data has no etymology on file for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct Spanish form is blu, spelled B-L-U.
Definition
- 1Azul.
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 Spanish corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "blu"?
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Using “blu”
The practical upshot for anyone who landed here from a spell-check.
- The one correct Spanish spelling is B-L-U - every other letter order is a misspelling in standard orthography.
- Say it as /ˈblu/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “by” - see the side-by-side comparison. blu vs by
- Browse more Spanish words and confusable pairs in the same reference. Spanish 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.