Alotropize or Allotropize: How To spell?

The word Alotropize is misspelled against Allotropize, a verb meaning "To change in physical properties but not in substance."

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