radiosvsradiumWhat's the difference?

Which to use

“radios” and “radium” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#8,138
“radios” frequency rank
#42,558
“radium” frequency rank
50696
confusion score

Side-by-Side Comparison

Feature radios radium
Definition Pluriel de radio. 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 radios and radium

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. radios and radium follow the identical consonant-vowel pattern (CVCVVC). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
radios
6 ch
radium

Why the eye confuses radios with radium

A purely visual mix-up. radios (\ʁa.djo\) and radium (\ʁa.djɔm\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 50696, derived from the frequency rank of both members and their visual similarity.

radios is recorded at frequency rank #8,138, classified as anoun, pronounced \ʁa.djo\. 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 50696, this pair ranks #160,650 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of radios vs radium

Shared letters: adir. Private to "radios": os. Private to "radium": mu.

"radios" · 6 letters · shape CVCVVC  ·  "radium" · 6 letters · shape CVCVVC

Known mistypes of this pair

  • radios ← ardios · raddios · radioss · radiso · radois · raidos · rdaios · rradios
  • radium ← ardium · raddium · radimu · radiumm · raduim · raidum · rdaium · rradium

Frequently Asked Questions

Can "radios" and "radium" be used interchangeably?
No. They are said differently (\ʁa.djo\ versus \ʁa.djɔm\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "radios" vs "radium" - which ranks higher?
"radios" is the more common of the two: it sits at frequency rank #8,138 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

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "radios" 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 #160,650 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "radios" 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 #160,650 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