Which to use
“radish” and “radium” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #38,122
- “radish” frequency rank
- #37,184
- “radium” frequency rank
- 75306
- confusion score
Side-by-Side Comparison
| Feature | radish | radium |
|---|---|---|
| Definition | A plant of the Brassicaceae family, Raphanus sativus or Raphanus raphanistrum subsp. sativus, having an edible root. | The chemical element (symbol Ra) with an atomic number of 88. It is a soft, shiny and silvery radioactive alkaline earth metal. |
Where the eye mixes radish and radium
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. radish (CVCVCC) and radium (CVCVVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Why the eye confuses radish with radium
A purely visual mix-up. radish (/ˈɹad.ɪʃ/) and radium (/ˈɹeɪ.dɪ.əm/) 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 75306, derived from the frequency rank of both members and their visual similarity.
radish is recorded at frequency rank #38,122, classified as anoun, pronounced /ˈɹad.ɪʃ/. radium is at rank #37,184, tagged as anoun, pronounced /ˈɹeɪ.dɪ.əm/.
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 75306, this pair ranks #33,545 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of radish vs radium
Shared letters: adir. Private to "radish": hs. Private to "radium": mu.
"radish" · 6 letters · shape CVCVCC · "radium" · 6 letters · shape CVCVVC
Known mistypes of this pair
Frequently Asked Questions
Do "radish" and "radium" mean the same thing in a sentence?
In ordinary English text, does "radish" or "radium" show up more?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "radish" 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 #33,545 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "radish" and "radium" also get mixed up with nearby pairs, the highest-scored neighbour is "radish vs Rajesh". 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 #33,545 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.