Cretacoeusly or Cretaceously: How To spell?

The word Cretacoeusly is misspelled against Cretaceously, an adverb meaning "In a chalky manner; as chalk."

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