Which to use
“cassie” and “castle” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #31,393
- “cassie” frequency rank
- #15,323
- “castle” frequency rank
- 46716
- confusion score
Side-by-Side Comparison
| Feature | cassie | castle |
|---|---|---|
| Definition | Variété de mimosa qu’on cultive dans le midi de la France pour ses fleurs jaunes très odorantes employées en parfumerie. | Château-fort, château. |
Where the eye mixes cassie and castle
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. cassie (CVCCVV) and castle (CVCCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Why the eye confuses cassie with castle
A purely visual mix-up. cassie (\ka.si\) 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 46716, derived from the frequency rank of both members and their visual similarity.
cassie is recorded at frequency rank #31,393, classified as anoun, pronounced \ka.si\. 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 46716, this pair ranks #192,691 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of cassie vs castle
Shared letters: aces. Private to "cassie": i. Private to "castle": lt.
"cassie" · 6 letters · shape CVCCVV · "castle" · 6 letters · shape CVCCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "cassie" for "castle" ever safe?
Frequency check: "cassie" 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 "cassie" 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 #192,691 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "cassie" and "castle" also get mixed up with nearby pairs, the highest-scored neighbour is "Callie vs cassie". 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 #192,691 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.