Tera or Terra: How To spell?
The word Tera is misspelled against Terra, a noun meaning "The earth; earth."
Terra has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings te & a which should not be misspelled with single 'R'
Wrong Spelling:  te-r-a  Correct Spelling:  te-rr-a 
Explore spell check of Terra to spell without errors.