Predamic or Preadamic: How To spell?

The word Predamic is misspelled against Preadamic, an adjective meaning "Prior to Adam."

Preadamic has vowels 'ea' together mispronounced as 'e'
Word contains consecutive vowels 'EA' in between alphabets pr & damic is misspelled as 'E'
Wrong Spelling:  pr-e-damic 
Correct Spelling:  pr-ea-damic 
Find more wrongly spelled words of Preadamic to spell it well.

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