rust

/ɹʌst/

//ɹʌst// noun

The verdict

“rust” is uncommon Spanish (frequency #51,909 among 4,151 “R” headwords), classed as a noun. The kind of spelling people second-guess.

#51,909
frequency rank, Spanish
4,151
“R” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Óxido.

Corpus desk

Index ES-rust · rust · Spanish

rust · rank #51,909 · 0 variants · 0 confusables

  • FREQ-RARE #51,909
  • LEN-MID 4 letters
  • VOW-1 1 vowel
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,151
  • PHOTO-FINISH rubiales

Nearest frequency peer: rubiales (-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.

Rangos de cola larga cerca de “rust”

Banda escasa: las barras invierten el rango para que lo raro se lea más corto

corpus weight

What this shows Vista de cola larga: dónde “rust” se sitúa frente a rangos españoles igualmente raros.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for rust
PropertyValue
Headwordrust
LanguageSpanish
Part of speechNoun
IPA/ɹʌst/
Letters4
Frequency rank#51,909
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cola larga: rango de “rust” en español

Esta escala corre desde el núcleo del español cotidiano (izquierda) hasta el rastro de formas rara vez usadas (derecha).rustcae en esta cola de rareza:

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

Los ticks avanzan en logaritmo; cada uno es del orden de diez veces más raro. Vecinos raros de la misma franja: “rubiales” (#51,908), “sabíais” (#51,910), “rotativos” (#51,907). Entre 4,151 lemas con “R”, “rust” va en #51,909. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

rust is uncommon Spanish at frequency #51,909 among 4,151 “R” headwords, classed as anoun, transcribed /ɹʌst/. Rarity is why readers land here mid-draft. 2 senses are on record.

No generated misspelling entries exist for rust in our index, a straightforward case of a spelling with little room for common typos. No confusable counterpart is on file for this word, which typically means the spelling is too distinctive to be mistaken for another word.

This headword's origin isn't recorded in our source data, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct Spanish form is rust, spelled R-U-S-T.

Definition

  1. 1
    Óxido.
  2. 2
    Herrumbre.

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 "rust"?
"rust" is spelled R-U-S-T. The IPA pronunciation is /ɹʌst/.
What does "rust" mean?
As a noun, "rust" means: Óxido.
How do you pronounce "rust"?
The IPA (International Phonetic Alphabet) transcription for "rust" is /ɹʌst/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "rust" come from?
"rust" is a Spanish word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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.

Similar Spanish words by spelling shape

Same letter count and similar misspelling depth for "rust", not the corpus desk frequency band.

Same letter count

Frequency-ranked Spanish headwords with 4 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list