Graminoeus or Gramineous: How To spell?

The word Graminoeus is misspelled against Gramineous, an adjective meaning "Like, Or pertaining to, grass. See Grass, n., 2."

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