The word Caostically is misspelled against Caustically, an adverb meaning "In a caustic manner."
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Word contains consecutive vowels 'AU' in between alphabets c & stically is misspelled as 'AO'
Wrong Spelling:  c-ao-stically 
Correct Spelling:  c-au-stically 
Find more incorrect spellings of Caustically to spell right way.