Which to use
“capsule” and “castle” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #11,008
- “capsule” frequency rank
- #15,323
- “castle” frequency rank
- 26331
- confusion score
Side-by-Side Comparison
| Feature | capsule | castle |
|---|---|---|
| Definition | Fruit sec déhiscent, contenant de nombreuses graines, qui s'ouvre par plusieurs fentes, parfois par un couvercle ou par des pores. | Château-fort, château. |
Where the eye mixes capsule and castle
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Why the eye confuses capsule with castle
A purely visual mix-up. capsule (\kap.syl\) and castle (\ˈkæs.əl\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 26331, derived from the frequency rank of both members and their visual similarity.
capsule is recorded at frequency rank #11,008, classified as anoun, pronounced \kap.syl\. castle is at rank #15,323, tagged as anoun, pronounced \ˈkæs.əl\.
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 26331, this pair ranks #335,663 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of capsule vs castle
Shared letters: acels. Private to "capsule": pu. Private to "castle": t.
"capsule" · 7 letters · shape CVCCVCV · "castle" · 6 letters · shape CVCCCV
Known mistypes of this pair
Frequently Asked Questions
Do "capsule" and "castle" mean the same thing in a sentence?
Frequency check: "capsule" vs "castle" - which ranks higher?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "capsule" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "castle" - compare definitions side by side with the headword page. Word entry
- This pair ranks #335,663 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "capsule" and "castle" also get mixed up with nearby pairs, the highest-scored neighbour is "Carle vs castle". 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 #335,663 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.