Udful or Aidful: How To spell?

The word Udful is misspelled against Aidful, an adjective meaning "Helpful."

Word begins with consecutive vowels 'AI' followed by alphabets 'dful' is misspelled as 'U'
Wrong Spelling:  u-dful 
Correct Spelling:  ai-dful 
Check more misspelled words of Aidful to spell it correct.

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