Enneigon or Enneagon: How To spell?

The word Enneigon is misspelled against Enneagon, a noun meaning "A polygon or plane figure with nine sides and nine angles; a nonagon."

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

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