Cactacoeus or Cactaceous: How To spell?

The word Cactacoeus is misspelled against Cactaceous, an adjective meaning "Belonging to, or like, the family of plants of which the prickly pear is a common example."

Word contains consecutive vowels 'EO' in between alphabets cactac & us is misspelled as 'OE'
Wrong Spelling:  cactac-oe-us 
Correct Spelling:  cactac-eo-us 
Check more misspelled words of Cactaceous to spell it correct.