Isogoetherm or Isogeotherm: How To spell?

The word Isogoetherm is misspelled against Isogeotherm, a noun meaning "A line or curved surface passing beneath the earth's surface through points having the same mean temperature."

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