Sourognathous or Saurognathous: How To spell?

The word Sourognathous is misspelled against Saurognathous, an adjective meaning "Having the bones of the palate arranged as in saurians, the vomer consisting of two lateral halves, as in the woodpeckers (Pici)."

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

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