Seysmology or Seismology: How To spell?

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

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