Monometalic or Monometallic: How To spell?
The word Monometalic is misspelled against Monometallic, an adjective meaning "Consisting of one metal; of or pertaining to monometallism."
Monometallic has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings monometa & ic which should not be misspelled with single 'L'
Wrong Spelling:  monometa-l-ic  Correct Spelling:  monometa-ll-ic 
Find more incorrect spellings of Monometallic to spell right way.