The word Plaasibly is misspelled against Plausibly, an adverb meaning "Contentedly, readily."
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Word contains consecutive vowels 'AU' in between alphabets pl & sibly is misspelled as 'AA'
Wrong Spelling:  pl-aa-sibly 
Correct Spelling:  pl-au-sibly 
Find more wrongly spelled words of Plausibly to spell it well.