The word Feinty is misspelled against Fainty, an adjective meaning "Feeble; languid."
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Word contains consecutive vowels 'AI' in between alphabets f & nty is misspelled as 'EI'
Wrong Spelling:  f-ei-nty 
Correct Spelling:  f-ai-nty 
Find more wrongly spelled words of Fainty to spell it well.