The word Fultful is misspelled against Faultful, an adjective meaning "Full of faults or sins."
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Word contains consecutive vowels 'AU' in between alphabets f & ltful is misspelled as 'U' as letter 'A' is phonetically ignored
Wrong Spelling:  f-u-ltful 
Correct Spelling:  f-au-ltful 
Check more misspelled words of Faultful to spell it correct.