Stavroscope or Stauroscope: How To spell?

The word Stavroscope is misspelled against Stauroscope, a noun meaning "An optical instrument used in determining the position of the planes of light-vibration in sections of crystals."

Word contains consecutive vowels 'AU' in between alphabets st & roscope is misspelled as 'AV'
Wrong Spelling:  st-av-roscope 
Correct Spelling:  st-au-roscope 
Find more incorrect spellings of Stauroscope to spell right way.

You might be interested to know

Tavtomerism or Tautomerism?

Vavlty or Vaulty?

Argonaatic or Argonautic?