Trachaid or Tracheid: How To spell?

The word Trachaid 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 'AI'
Wrong Spelling:  trach-ai-d 
Correct Spelling:  trach-ei-d 
Find more wrongly spelled words of Tracheid to spell it well.