Praindesignate or Preindesignate: How To spell?

The word Praindesignate is misspelled against Preindesignate, an adjective meaning "Having no sign expressive of quantity; indefinite. See Predesignate."

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