radiévsradiumWhat's the difference?

Quick tell: radié is a adjective, radium is a noun, so they fill different roles in a sentence.

Which to use

“radié” is an adjective and “radium” is a noun - they look or sound alike but fill different roles in a sentence.

#33,426
“radié” frequency rank
#42,558
“radium” frequency rank
75984
confusion score

Side-by-Side Comparison

Feature radié radium
Definition Disposé en rayons concentriques, en particulier en parlant des fleurs dont le disque est composé de fleurons, et la circonférence de demi-fleurons qui forment des rayons (comme le tournesol), ainsi qu’en zoologie. 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.

Where the eye mixes radié and radium

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. radié runs 5 letters (CVCVV) against radium's 6 (CVCVVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
radié
6 ch
radium

Why the eye confuses radié with radium

These two trip readers on the page rather than in the ear: radié is \ʁa.dje\ while radium is \ʁa.djɔm\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 75984, derived from the frequency rank of both members and their visual similarity.

radié is recorded at frequency rank #33,426, classified as anadj, pronounced \ʁa.dje\. radium is at rank #42,558, tagged as anoun, pronounced \ʁa.djɔm\.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 75984, this pair ranks #32,424 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of radié vs radium

Shared letters: adir. Private to "radié": é. Private to "radium": mu.

"radié" · 5 letters · shape CVCVV  ·  "radium" · 6 letters · shape CVCVVC

Known mistypes of this pair

  • radium ← ardium · raddium · radimu · radiumm · raduim · raidum · rdaium · rradium

Frequently Asked Questions

Is swapping "radié" for "radium" ever safe?
No - they are not even the same part of speech. "radié" is an adjective and "radium" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "radié" or "radium"?
"radié" is the more common of the two: it sits at frequency rank #33,426 in our French list, against #42,558 for "radium". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "radié" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "radium" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #32,424 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "radié" and "radium" also get mixed up with nearby pairs, the highest-scored neighbour is "radial vs radium". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #32,424 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list