Cerounoscope or Ceraunoscope: How To spell?

The word Cerounoscope is misspelled against Ceraunoscope, a noun meaning "An instrument or apparatus employed in the ancient mysteries to imitate thunder and lightning."

Word contains consecutive vowels 'AU' in between alphabets cer & noscope is misspelled as 'OU'
Wrong Spelling:  cer-ou-noscope 
Correct Spelling:  cer-au-noscope 
Check more misspelled words of Ceraunoscope to spell it correct.

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