Raider or Reader: How To spell?
The word Raider is misspelled against Reader, a noun meaning "A book containing a selection of extracts for exercises in reading; an elementary book for practice in a language; a reading book."
Reader has vowels 'ea' together mispronounced as 'ai'Word contains consecutive vowels 'EA' in between alphabets r & der is misspelled as 'AI'
Wrong Spelling:  r-ai-der  Correct Spelling:  r-ea-der 
Find more wrongly spelled words of Reader to spell it well.