Enheihedron or Enheahedron: How To spell?

The word Enheihedron is misspelled against Enheahedron, a noun meaning "A figure having nine sides; a nonagon."

Enheahedron has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets enh & hedron is misspelled as 'EI'
Wrong Spelling:  enh-ei-hedron 
Correct Spelling:  enh-ea-hedron 
Find more incorrect spellings of Enheahedron to spell right way.

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