The word Donism is misspelled against Donnism, a noun meaning "Self-importance; loftiness of carriage."
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Donnism has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings do & ism which should not be misspelled with single 'N'
Wrong Spelling:  do-n-ism 
Correct Spelling:  do-nn-ism 
Find more incorrect spellings of Donnism to spell right way.