Sed or Seed: How To spell?
The word Sed is misspelled against Seed, a noun meaning "A ripened ovule, consisting of an embryo with one or more integuments, or coverings; as, an apple seed; a currant seed. By germination it produces a new plant."
Seed has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings S & d which should not be misspelled with single 'E'
Wrong Spelling:  S-e-d  Correct Spelling:  S-ee-d 
Explore spell check of Seed to spell without errors.