The word Retianment is misspelled against Retainment, a noun meaning "The act of retaining; retention."
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Word contains consecutive vowels 'AI' in between alphabets ret & nment is misspelled as 'IA'
Wrong Spelling:  ret-ia-nment 
Correct Spelling:  ret-ai-nment 
Find more wrongly spelled words of Retainment to spell it well.