Heterogeneaty or Heterogeneity: How To spell?
The word Heterogeneaty is misspelled against Heterogeneity, a noun meaning "The state of being heterogeneous; contrariety."
Word contains consecutive vowels 'EI' in between alphabets heterogen & ty is misspelled as 'EA'Wrong Spelling:  heterogen-ea-ty  Correct Spelling:  heterogen-ei-ty 
Find more incorrect spellings of Heterogeneity to spell right way.