Seration or Serration: How To spell?
The word Seration is misspelled against Serration, meaning "having a toothed edge"
Serration has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings se & ation which should not be misspelled with single 'R'
Wrong Spelling:  se-r-ation  Correct Spelling:  se-rr-ation 
Find more incorrect spellings of Serration to spell right way.