Sterometal or Sterrometal: How To spell?

The word Sterometal is misspelled against Sterrometal, a noun meaning "Any alloy of copper, zinc, tin, and iron, of which cannon are sometimes made."

Sterrometal has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings ste & ometal which should not be misspelled with single 'R'
Wrong Spelling: ste-r-ometal
Correct Spelling: ste-rr-ometal
Find more incorrect spellings of Sterrometal to spell right way.