Sesmometric or Seismometric: How To spell?

The word Sesmometric is misspelled against Seismometric, an adjective meaning "pertaining to seismometry, seismometer; as, seismometric instruments; seismometric measurements."

Word contains consecutive vowels 'EI' in between alphabets s & smometric is misspelled as 'E' as letter 'I' is phonetically ign
Wrong Spelling:  s-e-smometric 
Correct Spelling:  s-ei-smometric 
Find more incorrect spellings of Seismometric to spell right way.