Chaldaun or Chaldean: How To spell?
The word Chaldaun is misspelled against Chaldean, a noun meaning "A learned man, esp. an astrologer; -- so called among the Eastern nations, because astrology and the kindred arts were much cultivated by the Chaldeans."
Chaldean has vowels 'ea' together mispronounced as 'au'Word contains consecutive vowels 'EA' in between alphabets chald & n is misspelled as 'AU'
Wrong Spelling:  chald-au-n  Correct Spelling:  chald-ea-n 
Check more misspelled words of Chaldean to spell it correct.