Which to use
“sul” is an article and “sup” is an intj - they look or sound alike but fill different roles in a sentence.
- #33,033
- “sul” frequency rank
- #10,952
- “sup” frequency rank
- 43985
- confusion score
Side-by-Side Comparison
| Feature | sul | sup |
|---|---|---|
| Definition | Sur le. | Super |
Where the eye mixes sul and sup
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between sul and sup
These two trip readers on the page rather than in the ear: sul is \ˈsul\ while sup is \syp\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - l in “sul” becomes p in “sup”, and the parts of speech differ too (article vs intj), which is usually the fastest check. Our composite confusion score for this pair is 43985, derived from the frequency rank of both members and their visual similarity.
sul is recorded at frequency rank #33,033, classified as anarticle, pronounced \ˈsul\. sup is at rank #10,952, tagged as anintj, pronounced \syp\.
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 43985, this pair ranks #213,914 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sul vs sup
Shared letters: su. Private to "sul": l. Private to "sup": p.
"sul" · 3 letters · shape CVC · "sup" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "sul" for "sup" ever safe?
Which is more common, "sul" or "sup"?
After this comparison
Eye-level mix-up between "sul" and "sup" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "sul" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sup" - compare definitions side by side with the headword page. Word entry
- This pair ranks #213,914 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "sul" and "sup" also get mixed up with nearby pairs, the highest-scored neighbour is "sul vs suu". Nearby pair
Confusion rank #213,914 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.