Aculeuform or Aculeiform: How To spell?

The word Aculeuform is misspelled against Aculeiform, an adjective meaning "Like a prickle."

Word contains consecutive vowels 'EI' in between alphabets acul & form is misspelled as 'EU'
Wrong Spelling:  acul-eu-form 
Correct Spelling:  acul-ei-form 
Check more misspelled words of Aculeiform to spell it correct.