Underiad or Underaid: How To spell?

The word Underiad is misspelled against Underaid, a verb meaning "To aid clandestinely."

Word contains consecutive vowels 'AI' in between alphabets under & d is misspelled as 'IA'
Wrong Spelling:  under-ia-d 
Correct Spelling:  under-ai-d 
Find more wrongly spelled words of Underaid to spell it well.

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