How do you spell Supersede?
Correct spelling
supersede
Ends in SEDE, not CEDE. It's the only English word that does.
Why is supersede spelled this way?
SEDE not CEDE. This is the only English word ending in SEDE. All others (precede, recede, concede) end in CEDE. It comes from Latin supersedere, to sit above.
Common misspellings of supersede
supercedesuperceedsuperseedsuperceed
Example
The new policy will supersede the old one.