Hypocleydium or Hypocleidium: How To spell?

The word Hypocleydium is misspelled against Hypocleidium, a noun meaning "A median process on the furculum, or merrythought, of many birds, where it is connected with the sternum."

Word contains consecutive vowels 'EI' in between alphabets hypocl & dium is misspelled as 'EY'
Wrong Spelling:  hypocl-ey-dium 
Correct Spelling:  hypocl-ei-dium 
Check more misspelled words of Hypocleidium to spell it correct.