Thyiform or Theiform: How To spell?

The word Thyiform 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 'YI'
Wrong Spelling:  th-yi-form 
Correct Spelling:  th-ei-form 
Find more incorrect spellings of Theiform to spell right way.