Ptolemost or Ptolemaist: How To spell?

The word Ptolemost 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 'O'
Wrong Spelling:  ptolem-o-st 
Correct Spelling:  ptolem-ai-st 
Find more incorrect spellings of Ptolemaist to spell right way.

You might be interested to know

Rose or Raise?

Restronedly or Restrainedly?

Sonted or Sainted?