Overspreyding or Overspreading: How To spell?
The word Overspreyding is misspelled against Overspreading, which is present continuous of "Overspread"
Overspreading has vowels 'ea' together mispronounced as 'ey'Word contains consecutive vowels 'EA' in between alphabets overspr & ding is misspelled as 'EY'
Wrong Spelling:  overspr-ey-ding  Correct Spelling:  overspr-ea-ding 
Find more wrongly spelled words of Overspreading to spell it well.