Coustically or Caustically: How To spell?

The word Coustically is misspelled against Caustically, an adverb meaning "In a caustic manner."

Word contains consecutive vowels 'AU' in between alphabets c & stically is misspelled as 'OU'
Wrong Spelling:  c-ou-stically 
Correct Spelling:  c-au-stically 
Check more misspelled words of Caustically to spell it correct.

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