Pergamentacoeus or Pergamentaceous: How To spell?
The word Pergamentacoeus is misspelled against Pergamentaceous, an adjective meaning "Like parchment."
Word contains consecutive vowels 'EO' in between alphabets pergamentac & us is misspelled as 'OE'Wrong Spelling:  pergamentac-oe-us  Correct Spelling:  pergamentac-eo-us 
Check more misspelled words of Pergamentaceous to spell it correct.