Which to use
“radon” is a noun and “random” is an adjective - they look or sound alike but fill different roles in a sentence.
- #44,667
- “radon” frequency rank
- #18,848
- “random” frequency rank
- 63515
- confusion score
Side-by-Side Comparison
| Feature | radon | random |
|---|---|---|
| Definition | Élément chimique de numéro atomique 86 et de symbole Rn qui fait partie de la série chimique des gaz rares. | Aléatoire. |
Where the eye mixes radon and random
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Visual trap between radon and random
These two trip readers on the page rather than in the ear: radon is \ʁa.dɔ̃\ while random is \ʁɑ̃(n).dɔm\. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 63515, derived from the frequency rank of both members and their visual similarity.
radon is recorded at frequency rank #44,667, classified as anoun, pronounced \ʁa.dɔ̃\. random is at rank #18,848, tagged as anadj, pronounced \ʁɑ̃(n).dɔm\.
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 63515, this pair ranks #81,572 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of radon vs random
Shared letters: adnor. Private to "radon": -. Private to "random": m.
"radon" · 5 letters · shape CVCVC · "random" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Do "radon" and "random" mean the same thing in a sentence?
Which is more common, "radon" or "random"?
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 "radon" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "random" - compare definitions side by side with the headword page. Word entry
- This pair ranks #81,572 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "radon" and "random" also get mixed up with nearby pairs, the highest-scored neighbour is "radon vs ramen". 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 #81,572 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.