radium

\ʁa.djɔm\

/\ʁa.djɔm\/ noun

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“radium” has 8 generated spelling variants in the French index at frequency #42,558. The variants make it a useful spelling check.

#42,558
frequency rank, French
5,742
“R” headwords
8
tracked misspellings
9
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Élément chimique de numéro atomique 88 et de symbole Ra qui fait partie de la série chimique des métaux alcalino-terreux dont les atomes se désintègrent spontanément, en émettant diverses radiation...

Corpus desk

Index FR-radium · radium · French

radium · rank #42,558 · 8 variants · 9 confusables

  • FREQ-MID #42,558
  • LEN-LONG 6 letters
  • VOW-3 3 vowels
  • CONFUS-MID 9 pairs
  • VAR-MID 8 variants
  • BOOK-DENSE 5,742
  • PHOTO-FINISH racontais

Nearest frequency peer: racontais (-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.

Pairs de rang près de l'aimant d'erreurs « radium »

Même bande de rareté: utile si une faute tombe sur un lemme voisin

corpus weight

What this shows « radium » siège parmi ces pairs FrequencyWords; la profondeur des fautes est suivie à part dans le graphique d'édition.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

radium vs radio
67% similar
radium vs radin
67% similar
radium vs radis
67% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for radium
PropertyValue
Headwordradium
LanguageFrench
Part of speechNoun
IPA\ʁa.djɔm\
Letters6
Frequency rank#42,558
Misspellings tracked8
Confusable pairs9
SourceWiktionary (kaikki.org)

Fréquence de l'aimant d'erreurs « radium »

La fréquence va de la poignée de mots du quotidien (gauche) à la longue queue presque jamais vue (droite).radiumse place ici:

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

L'axe est logarithmique: chaque tic marque environ dix fois moins de fréquence. Dans la même bande de rareté figurent « racontais » (#42,557), « raffole » (#42,559), « racolage » (#42,556). Parmi 5,742 lemmes en « R », « radium » est au #42,558. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 8 spelling variants around radium (IPA \ʁa.djɔm\), anoun. Corpus frequency is #42,558 among 5,742 “R” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

Our generated misspelling index lists 8 likely wrong-spelling variants for radium, with forms such as "ardium", "raddium", and "radimu". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 9 confusable-pair relationships, "radio", "radin", "radis", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

No borrowing history is documented for this entry, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct French form is radium, spelled R-A-D-I-U-M.

Definition

  1. 1
    Élément chimique de numéro atomique 88 et de symbole Ra qui fait partie de la série chimique des métaux alcalino-terreux dont les atomes se désintègrent spontanément, en émettant diverses radiations, pour donner naissance à d’autres atomes.
  2. 2
    Métal blanc-argenté (mais qui noircit quand il est exposé à l’air) et dense, forme métallique pure de l’élément.
  3. 3
    Atome (ou, par ellipse, noyau) de radium.
  4. 4
    Isotopes ou alliages de radium, dans leur ensemble.

Recorded use

Wiktionary examples

These source excerpts show how radium appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Il s’acharnera au travail, il ne ménagera ni son temps, ni ses forces, à une époque où le radium et la radiothérapie profonde était encore inconnue.
  2. Marie Sklodowska, aidée de Pierre Curie, son époux, isole en quelques mois deux nouveaux éléments, le polonium et le radium.

This word in other languages

radium(English)radio(Español)Radium(Deutsch)rádio(Português)

Common misspellings

Also misspelled as:

  • ardium
  • raddium
  • radimu
  • radiumm
  • raduim
  • raidum
  • rdaium
  • rradium

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of radium - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

ardium2raddium1radimu2radiumm1raduim2raidum2rdaium2rradium1
Edit distance from "radium"

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

Frequently Asked Questions

How do you spell "radium"?
"radium" is spelled R-A-D-I-U-M. The IPA pronunciation is \ʁa.djɔm\.
What does "radium" mean?
As a noun, "radium" means: Élément chimique de numéro atomique 88 et de symbole Ra qui fait partie de la série chimique des métaux alcalino-terreux dont les atomes se désintègrent spontanément, en émettant diverses radiation...
What words are commonly confused with "radium"?
"radium" is commonly confused with "radio", "radin", "radis". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "radium"?
The IPA (International Phonetic Alphabet) transcription for "radium" is \ʁa.djɔm\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "radium" come from?
"radium" is a French 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 French words by spelling shape

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

Same letter count

Frequency-ranked French headwords with 6 letters (nearest by frequency rank).

rahman#42,560prêtez#42,545polars#42,531Pisani#42,526

Similar misspelling depth

Headwords with a similar count of attested misspellings (8 here; floor ≥5).

raffole8 variantsrappela8 variantspotasse8 variantsplots8 variants

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

Source: FrequencyWords open word-frequency list