Superterene or Superterrene: How To spell?
The word Superterene is misspelled against Superterrene, an adjective meaning "Being above ground, or above the earth."
Superterrene has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings superte & ene which should not be misspelled with single 'R'
Wrong Spelling:  superte-r-ene  Correct Spelling:  superte-rr-ene 
Check more misspelled words of Superterrene to spell it correct.