Alograph or Allograph: How To spell?

The word Alograph is misspelled against Allograph, a noun meaning "A writing or signature made by some person other than any of the parties thereto; -- opposed to autograph."

Allograph has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings a & ograph which should not be misspelled with single 'L'
Wrong Spelling:  a-l-ograph 
Correct Spelling:  a-ll-ograph 
Find more incorrect spellings of Allograph to spell right way.