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.

-->

You might be interested to know

Susuration or Susurration?

Teritorialize or Territorialize?

Unborowed or Unborrowed?