Sysmology or Seismology: How To spell?

The word Sysmology is misspelled against Seismology, a noun meaning "The science of earthquakes."

Word contains consecutive vowels 'EI' in between alphabets s & smology is misspelled as 'Y'
Wrong Spelling:  s-y-smology 
Correct Spelling:  s-ei-smology 
Find more incorrect spellings of Seismology to spell right way.