The word Plaisant is misspelled against Pleasant, a noun meaning "A wit; a humorist; a buffoon."
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Pleasant has vowels 'ea' together mispronounced as 'ai'
Word contains consecutive vowels 'EA' in between alphabets pl & sant is misspelled as 'AI'
Wrong Spelling:  pl-ai-sant 
Correct Spelling:  pl-ea-sant 
Find more wrongly spelled words of Pleasant to spell it well.