Pennacoeus or Pennaceous: How To spell?

The word Pennacoeus is misspelled against Pennaceous, an adjective meaning "Like or pertaining to a normal feather."

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