radonvsrodinTell them apart

Quick tell: radon is a noun, rodin is a verb, so they fill different roles in a sentence.

Which to use

“radon” is a noun and “rodin” is a verb - they look or sound alike but fill different roles in a sentence.

#44,667
“radon” frequency rank
#27,604
“rodin” frequency rank
72271
confusion score

Side-by-Side Comparison

Feature radon rodin
Definition Élément chimique de numéro atomique 86 et de symbole Rn qui fait partie de la série chimique des gaz rares. Première personne du singulier du futur de l’indicatif du verbe rodal.

Where the eye mixes radon and rodin

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. radon and rodin follow the identical consonant-vowel pattern (CVCVC). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
radon
5 ch
rodin

Look-alike desk: radon vs rodin

These two trip readers on the page rather than in the ear: radon is \ʁa.dɔ̃\ while rodin is \ˈroː.dĩn\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 72271, 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\. rodin is at rank #27,604, tagged as averb, pronounced \ˈroː.dĩn\.

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 72271, this pair ranks #44,577 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of radon vs rodin

Shared letters: dnor. Private to "radon": a. Private to "rodin": i.

"radon" · 5 letters · shape CVCVC  ·  "rodin" · 5 letters · shape CVCVC

Known mistypes of this pair

  • radon ← ardon · raddon · radonn · raodn · rdaon · rradon
  • rodin ← ordin · rdoin · roddin · rodinn · rodni · roidn · rrodin

Frequently Asked Questions

Do "radon" and "rodin" mean the same thing in a sentence?
No - they are not even the same part of speech. "radon" is a noun and "rodin" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "radon" or "rodin" show up more?
"rodin" is the more common of the two: it sits at frequency rank #27,604 in our French list, against #44,667 for "radon". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "radon" and "rodin" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "radon" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rodin" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #44,577 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "radon" and "rodin" 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 #44,577 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