Nematoidayn or Nematoidean: How To spell?
The word Nematoidayn is misspelled against Nematoidean, an adjective meaning "Nematoid."
Nematoidean has vowels 'ea' together mispronounced as 'ay'Word contains consecutive vowels 'EA' in between alphabets nematoid & n is misspelled as 'AY'
Wrong Spelling:  nematoid-ay-n  Correct Spelling:  nematoid-ea-n 
Find more incorrect spellings of Nematoidean to spell right way.