The word Serated is misspelled against Serrated, meaning "having a toothed edge"
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Serrated has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings se & ated which should not be misspelled with single 'R'
Wrong Spelling:  se-r-ated 
Correct Spelling:  se-rr-ated 
Explore spell check of Serrated to spell without errors.