Which to use
“sly” and “spi” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #47,613
- “sly” frequency rank
- #49,369
- “spi” frequency rank
- 96982
- confusion score
Side-by-Side Comparison
| Feature | sly | spi |
|---|---|---|
| Definition | Matois, malin. | Spirituel (au sens religieux). |
Where the eye mixes sly and spi
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. sly and spi follow the identical consonant-vowel pattern (CCV). Same shape at a glance is often the real trap, independent of shared letters.
Visual trap between sly and spi
A purely visual mix-up. sly (\ˈslaɪ\) and spi (\spi\) 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 96982, derived from the frequency rank of both members and their visual similarity.
sly is recorded at frequency rank #47,613, classified as anadj, pronounced \ˈslaɪ\. spi is at rank #49,369, tagged as anadj, pronounced \spi\.
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 96982, this pair ranks #498 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of sly vs spi
Shared letters: s. Private to "sly": ly. Private to "spi": ip.
"sly" · 3 letters · shape CCV · "spi" · 3 letters · shape CCV
Frequently Asked Questions
Do "sly" and "spi" mean the same thing in a sentence?
Which is more common, "sly" or "spi"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "sly" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "spi" - compare definitions side by side with the headword page. Word entry
- This pair ranks #498 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "sly" and "spi" also get mixed up with nearby pairs, the highest-scored neighbour is "spi vs suu". Nearby pair
Confusion rank #498 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.