Metalotherapy or Metallotherapy: How To spell?
The word Metalotherapy is misspelled against Metallotherapy, a noun meaning "Treatment of disease by applying metallic plates to the surface of the body."
Metallotherapy has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings meta & otherapy which should not be misspelled with single 'L'
Wrong Spelling:  meta-l-otherapy  Correct Spelling:  meta-ll-otherapy 
Find more incorrect spellings of Metallotherapy to spell right way.