Which to use
“courier” and “curie” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #11,526
- “courier” frequency rank
- #33,599
- “curie” frequency rank
- 45125
- confusion score
Side-by-Side Comparison
| Feature | courier | curie |
|---|---|---|
| Definition | A person who delivers messages. | 3.7×10¹⁰ decays per second, as a unit of radioactivity. Symbol Ci. |
Letter map: courier vs curie
Shared letters muted; letters that set courier and curie apart highlighted. Shared run: 5. courier runs 7 letters (CVVCVVC) against curie's 5 (CVCVV) - the length gap alone is often enough to separate them once you know to check it.
Pair insight - courier / curie
courier and curie are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 45125, derived from the frequency rank of both members and their visual similarity.
courier is recorded at frequency rank #11,526, classified as anoun, pronounced /ˈkʊ.ɹi.ə/. curie is at rank #33,599, tagged as anoun.
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 45125, this pair ranks #224,189 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of courier vs curie
Shared letters: ceiru. Private to "courier": o. Private to "curie": -.
"courier" · 7 letters · shape CVVCVVC · "curie" · 5 letters · shape CVCVV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "courier" for "curie" ever safe?
Frequency check: "courier" vs "curie" - which ranks higher?
Useful next steps
Pair "courier" vs "curie" is on the table, pick a follow-up below.
- Full dictionary entry for "courier" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "curie" - compare definitions side by side with the headword page. Word entry
- This pair ranks #224,189 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "courier" and "curie" also get mixed up with nearby pairs, the highest-scored neighbour is "curia vs curie". 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 #224,189 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.