Sheder or Shedder: How To spell?
The word Sheder is misspelled against Shedder, a noun meaning "A crab in the act of casting its shell, or immediately afterwards while still soft; -- applied especially to the edible crabs, which are most prized while in this state."
Shedder has double "dd" is mispronounced as "d"Remember double 'DD' in between the strings She & er which should not be misspelled with single 'D'
Wrong Spelling:  She-d-er  Correct Spelling:  She-dd-er 
Explore spell check of Shedder to spell without errors.