Cuastically or Caustically: How To spell?
The word Cuastically is misspelled against Caustically, an adverb meaning "In a caustic manner."
Word contains consecutive vowels 'AU' in between alphabets c & stically is misspelled as 'UA'Wrong Spelling:  c-ua-stically  Correct Spelling:  c-au-stically 
Check more misspelled words of Caustically to spell it correct.