Nematoiden or Nematoidean: How To spell?

The word Nematoiden is misspelled against Nematoidean, an adjective meaning "Nematoid."

Nematoidean has vowels 'ea' together mispronounced as 'e'
Word contains consecutive vowels 'EA' in between alphabets nematoid & n is misspelled as 'E'
Wrong Spelling:  nematoid-e-n 
Correct Spelling:  nematoid-ea-n 
Find more incorrect spellings of Nematoidean to spell right way.

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