Oloegraph or Oleograph: How To spell?

The word Oloegraph is misspelled against Oleograph, a noun meaning "A picture produced in oils by a process analogous to that of lithographic printing."

Word contains consecutive vowels 'EO' in between alphabets ol & graph is misspelled as 'OE'
Wrong Spelling:  ol-oe-graph 
Correct Spelling:  ol-eo-graph 
Find more incorrect spellings of Oleograph to spell right way.