Jefersonian or Jeffersonian: How To spell?
The word Jefersonian is misspelled against Jeffersonian, an adjective meaning "Pertaining to, or characteristic of, Thomas Jefferson or his policy or political doctrines."
Jeffersonian has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings Je & ersonian which should not be misspelled with single 'F'
Wrong Spelling:  Je-f-ersonian  Correct Spelling:  Je-ff-ersonian 
Find more incorrect spellings of Jeffersonian to spell right way.