Phonaotograph or Phonautograph: How To spell?

The word Phonaotograph is misspelled against Phonautograph, a noun meaning "An instrument by means of which a sound can be made to produce a visible trace or record of itself. It consists essentially of a resonant vessel, usually of paraboloidal form, closed at one end by a flexible membrane. A stylus attached to some point of the membrane records the movements of the latter, as it vibrates, upon a moving cylinder or plate."

Word contains consecutive vowels 'AU' in between alphabets phon & tograph is misspelled as 'AO'
Wrong Spelling:  phon-ao-tograph 
Correct Spelling:  phon-au-tograph 
Find more incorrect spellings of Phonautograph to spell right way.

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