Ectostal or Ectosteal: How To spell?

The word Ectostal is misspelled against Ectosteal, an adjective meaning "pertaining to ectostosis; as, ectosteal ossification."

Ectosteal has vowels 'ea' together mispronounced as 'a'
Word contains consecutive vowels 'EA' in between alphabets ectost & l is misspelled as 'A'
Wrong Spelling:  ectost-a-l 
Correct Spelling:  ectost-ea-l 
Find more incorrect spellings of Ectosteal to spell right way.

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