Subteranean or Subterranean: How To spell?
The word Subteranean is misspelled against Subterranean, meaning "Situated or occurring below the surface of the earth."
Subterranean has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings subte & anean which should not be misspelled with single 'R'
Wrong Spelling:  subte-r-anean  Correct Spelling:  subte-rr-anean 
Check more misspelled words of Subterranean to spell it correct.