Alotropy or Allotropy: How To spell?

The word Alotropy is misspelled against Allotropy, a noun meaning "The property of existing in two or more conditions which are distinct in their physical or chemical relations."

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