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.