Which to use
“rex” and “roc” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #12,467
- “rex” frequency rank
- #10,935
- “roc” frequency rank
- 23402
- confusion score
Side-by-Side Comparison
| Feature | rex | roc |
|---|---|---|
| Definition | Race de chat, à queue longue ou moyenne et à poil court et ondulé car il n’est constitué que du sous-poil. | Masse de pierre très dure, qui tient au sol. |
Where the spellings diverge
Shared letters are muted; the letters that actually set rex and roc apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
rex and roc form a confusable pair in the French index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They share most of their letters but differ in 2 positions - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 23402, derived from the frequency rank of both members and their visual similarity.
rex is recorded at frequency rank #12,467, classified as anoun, pronounced \ʁɛks\. roc is at rank #10,935, tagged as anoun, pronounced \ʁɔk\.
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 23402, this pair ranks #352,695 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Frequency comparison
Frequently Asked Questions
Can "rex" and "roc" be used interchangeably?
Remembering rex vs roc
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “rex” entry
- Browse more pairs most likely to be confused. Most confusable