cerio

[ˈseɾjo]

/[ˈseɾjo]/ noun

The verdict

“cerio” is uncommon Spanish (frequency #96,096 among 8,288 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#96,096
frequency rank, Spanish
8,288
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - El cerio es uno de los 14 elementos químicos que siguen al lantano en la tabla periódica, denominados por ello lantánidos. De color gris metálico similar al hierro, se torna pardo rojizo al exponer...

Corpus desk

Index ES-cerio · cerio · Spanish

cerio · rank #96,096 · 0 variants · 0 confusables

  • FREQ-RARE #96,096
  • LEN-MID 5 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 8,288
  • PHOTO-FINISH ceniciento

Nearest frequency peer: ceniciento (-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 “cerio”

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 “cerio” se sitúa frente a rangos españoles igualmente raros.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for cerio
PropertyValue
Headwordcerio
LanguageSpanish
Part of speechNoun
IPA[ˈseɾjo]
Letters5
Frequency rank#96,096
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cola larga: rango de “cerio” en español

De izquierda a derecha: las pocas palabras que cargan el habla diaria, luego la cola larga casi invisible.ceriocae 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: “ceniciento” (#96,095), “cavalleria” (#96,093), “castigaban” (#96,092). Entre 8,288 lemas con “C”, “cerio” va en #96,096. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

cerio is uncommon Spanish at frequency #96,096 among 8,288 “C” headwords, classed as anoun, transcribed [ˈseɾjo]. Rarity is why readers land here mid-draft. Gloss: "El cerio es uno de los 14 elementos químicos que siguen al lantano en la tabla periódica, denominados por ello lantánidos. De color gris metálico similar al hierro, se torna pardo rojizo al exponer...".

Our edit-distance generator produced no likely misspellings for cerio, which points to an orthography that plays by predictable Spanish rules. Our dataset records no confusable match here, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

This entry carries no recorded etymology, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct Spanish form is cerio, spelled C-E-R-I-O.

Definition

  1. 1
    El cerio es uno de los 14 elementos químicos que siguen al lantano en la tabla periódica, denominados por ello lantánidos. De color gris metálico similar al hierro, se torna pardo rojizo al exponerlo al aire, es un elemento muy escaso en la corteza terrestre, donde aparece disperso en diversos minerales.

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 Spanish corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "cerio"?
"cerio" is spelled C-E-R-I-O. The IPA pronunciation is [ˈseɾjo].
What does "cerio" mean?
As a noun, "cerio" means: El cerio es uno de los 14 elementos químicos que siguen al lantano en la tabla periódica, denominados por ello lantánidos. De color gris metálico similar al hierro, se torna pardo rojizo al exponer...
How do you pronounce "cerio"?
The IPA (International Phonetic Alphabet) transcription for "cerio" is [ˈseɾjo]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "cerio" come from?
"cerio" is a Spanish word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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 "cerio", not the corpus desk frequency band.

Same letter count

Frequency-ranked Spanish headwords with 5 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list