certain

[sɛʁ.tɛ̃]

/[sɛʁ.tɛ̃]/ adj

The verdict

“certain” is uncommon Spanish (frequency #73,464 among 8,288 “C” headwords), classed as an adjective. The kind of spelling people second-guess.

#73,464
frequency rank, Spanish
8,288
“C” headwords

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

Corpus desk

Index ES-certain · certain · Spanish

certain · rank #73,464 · 0 variants · 0 confusables

  • FREQ-RARE #73,464
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 8,288
  • PHOTO-FINISH chanza

Nearest frequency peer: chanza (+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 “certain”

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for certain
PropertyValue
Headwordcertain
LanguageSpanish
Part of speechAdjective
IPA[sɛʁ.tɛ̃]
Letters7
Frequency rank#73,464
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cola larga: rango de “certain” en español

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

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

El eje es logarítmico: cada tick marca unas diez veces menos frecuencia. Vecinos raros de la misma franja: “chanza” (#73,465), “cercanamente” (#73,462), “centurias” (#73,461). Entre 8,288 lemas con “C”, “certain” va en #73,464. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

certain is uncommon Spanish at frequency #73,464 among 8,288 “C” headwords, classed as anadjective, transcribed [sɛʁ.tɛ̃]. Rarity is why readers land here mid-draft. 2 senses are on record.

Zero misspellings are on record for certain in our index, a sign its spelling follows regular Spanish conventions. No confusable counterpart is on file for this word, since nothing in our dataset looks or sounds close enough to cause mix-ups.

No borrowing history is documented for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct Spanish form is certain, spelled C-E-R-T-A-I-N.

Definition

  1. 1
    Cierto.
  2. 2
    Seguro.

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 "certain"?
"certain" is spelled C-E-R-T-A-I-N. The IPA pronunciation is [sɛʁ.tɛ̃].
What does "certain" mean?
As an adjective, "certain" means: Cierto.
How do you pronounce "certain"?
The IPA (International Phonetic Alphabet) transcription for "certain" is [sɛʁ.tɛ̃]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "certain" come from?
"certain" 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 "certain", not the corpus desk frequency band.

Same letter count

Frequency-ranked Spanish headwords with 7 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list