Ryendeer or Reindeer: How To spell?

The word Ryendeer is misspelled against Reindeer, a noun meaning "Any ruminant of the genus Rangifer, of the Deer family, found in the colder parts of both the Eastern and Western hemispheres, and having long irregularly branched antlers, with the brow tines palmate."

Word contains consecutive vowels 'EI' in between alphabets r & ndeer is misspelled as 'YE'
Wrong Spelling:  r-ye-ndeer 
Correct Spelling:  r-ei-ndeer 
Explore spell check of Reindeer to spell without errors.