Paratonerre or Paratonnerre: How To spell?
The word Paratonerre is misspelled against Paratonnerre, a noun meaning "A conductor of lightning; a lightning rod."
Paratonnerre has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings parato & erre which should not be misspelled with single 'N'
Wrong Spelling:  parato-n-erre  Correct Spelling:  parato-nn-erre 
Find more incorrect spellings of Paratonnerre to spell right way.