Which to use
“sly” is an adjective and “sul” is an article - they look or sound alike but fill different roles in a sentence.
- #47,613
- “sly” frequency rank
- #33,033
- “sul” frequency rank
- 80646
- confusion score
Side-by-Side Comparison
| Feature | sly | sul |
|---|---|---|
| Definition | Matois, malin. | Sur le. |
Where the spellings diverge
Shared letters are muted; the letters that actually set sly and sul apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: sly is \ˈslaɪ\ while sul is \ˈsul\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs article), which is usually the fastest check. Our composite confusion score for this pair is 80646, 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\. sul is at rank #33,033, tagged as anarticle, pronounced \ˈsul\.
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 80646, this pair ranks #20,475 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of sly vs sul
Shared letters: ls. Private to "sly": y. Private to "sul": u.
"sly" · 3 letters · shape CCV · "sul" · 3 letters · shape CVC
Frequency comparison
Frequently Asked Questions
Can "sly" and "sul" be used interchangeably?
Which is more common, "sly" or "sul"?
Remembering sly vs sul
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “sly”; for an article, it's “sul”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “sly” entry
- Browse more pairs most likely to be confused. Most confusable