Rader or Raider: How To spell?

The word Rader is misspelled against Raider, a noun meaning "One who engages in a raid."

Word contains consecutive vowels 'AI' in between alphabets r & der is misspelled as 'A'
Wrong Spelling:  r-a-der 
Correct Spelling:  r-ai-der 
Explore spell check of Raider to spell without errors.

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