Bildstain or Bildstein: How To spell?

The word Bildstain is misspelled against Bildstein, a noun meaning "Same as Agalmatolite."

Word contains consecutive vowels 'EI' in between alphabets bildst & n is misspelled as 'AI'
Wrong Spelling:  bildst-ai-n 
Correct Spelling:  bildst-ei-n 
Find more wrongly spelled words of Bildstein to spell it well.