radioactividad

[rað̞joakt̪iβ̞iˈð̞að̞]

/[rað̞joakt̪iβ̞iˈð̞að̞]/ noun

The verdict

“radioactividad” is uncommon Spanish (frequency #61,864 among 4,151 “R” headwords), classed as a noun. The kind of spelling people second-guess.

#61,864
frequency rank, Spanish
4,151
“R” headwords

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

Corpus desk

Index ES-radioactividad · radioactividad · Spanish

radioactividad · rank #61,864 · 0 variants · 0 confusables

  • FREQ-RARE #61,864
  • LEN-MEGA 14 letters
  • VOW-7 7 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,151
  • PHOTO-FINISH quitándose

Nearest frequency peer: quitándose (-2 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 “radioactividad”

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for radioactividad
PropertyValue
Headwordradioactividad
LanguageSpanish
Part of speechNoun
IPA[rað̞joakt̪iβ̞iˈð̞að̞]
Letters14
Frequency rank#61,864
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cola larga: rango de “radioactividad” en español

La frecuencia va del puñado de palabras que usamos sin parar (izquierda) a la cola larga que apenas aparece (derecha).radioactividadcae 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: “quitándose” (#61,862), “rasgados” (#61,869), “puzle” (#61,858). Entre 4,151 lemas con “R”, “radioactividad” va en #61,864. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

radioactividad is uncommon Spanish at frequency #61,864 among 4,151 “R” headwords, classed as anoun, transcribed [rað̞joakt̪iβ̞iˈð̞að̞]. Rarity is why readers land here mid-draft. Gloss: "Variante de radiactividad.".

Our edit-distance generator produced no likely misspellings for radioactividad, which points to an orthography that plays by predictable Spanish rules. No confusable counterpart is on file for this word, since nothing in our dataset looks or sounds close enough to cause mix-ups.

No explicit etymology string is stored for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct Spanish form is radioactividad, spelled R-A-D-I-O-A-C-T-I-V-I-D-A-D.

Definition

  1. 1
    Variante de radiactividad.

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 "radioactividad"?
"radioactividad" is spelled R-A-D-I-O-A-C-T-I-V-I-D-A-D. The IPA pronunciation is [rað̞joakt̪iβ̞iˈð̞að̞].
What does "radioactividad" mean?
As a noun, "radioactividad" means: Variante de radiactividad.
How do you pronounce "radioactividad"?
The IPA (International Phonetic Alphabet) transcription for "radioactividad" is [rað̞joakt̪iβ̞iˈð̞að̞]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "radioactividad" come from?
"radioactividad" 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 "radioactividad", not the corpus desk frequency band.

Same letter count

Frequency-ranked Spanish headwords with 14 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list