Frustranoeus or Frustraneous: How To spell?

The word Frustranoeus is misspelled against Frustraneous, an adjective meaning "Vain; useless; unprofitable."

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