Ptolemiast or Ptolemaist: How To spell?

The word Ptolemiast is misspelled against Ptolemaist, a noun meaning "One who accepts the astronomical system of Ptolemy."

Word contains consecutive vowels 'AI' in between alphabets ptolem & st is misspelled as 'IA'
Wrong Spelling:  ptolem-ia-st 
Correct Spelling:  ptolem-ai-st 
Find more incorrect spellings of Ptolemaist to spell right way.

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