Pestalozian or Pestalozzian: How To spell?

The word Pestalozian is misspelled against Pestalozzian, a noun meaning "An advocate or follower of the system of Pestalozzi."

Pestalozzian has double "zz" is mispronounced as "z"
Remember double 'ZZ' in between the strings pestalo & ian which should not be misspelled with single 'Z'
Wrong Spelling:  pestalo-z-ian 
Correct Spelling:  pestalo-zz-ian 
Find more incorrect spellings of Pestalozzian to spell right way.

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