Thauform or Theiform: How To spell?

The word Thauform is misspelled against Theiform, an adjective meaning "Having the form of tea."

Word contains consecutive vowels 'EI' in between alphabets th & form is misspelled as 'AU'
Wrong Spelling:  th-au-form 
Correct Spelling:  th-ei-form 
Check more misspelled words of Theiform to spell it correct.