Eider or Aider: How To spell?

The word Eider is misspelled against Aider, a noun meaning "One who, or that which, aids."

Word begins with consecutive vowels 'AI' followed by alphabets 'der' is misspelled as 'EI'
Wrong Spelling:  ei-der 
Correct Spelling:  ai-der 
Find more wrongly spelled words of Aider to spell it well.

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