Trachyd or Tracheid: How To spell?

The word Trachyd is misspelled against Tracheid, a noun meaning "A wood cell with spiral or other markings and closed throughout, as in pine wood."

Word contains consecutive vowels 'EI' in between alphabets trach & d is misspelled as 'Y'
Wrong Spelling:  trach-y-d 
Correct Spelling:  trach-ei-d 
Browse incorrect spellings of Tracheid to spell it good.