The word Disertation is misspelled against Dissertation, meaning "Thesis."
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Dissertation has double "ss" is mispronounced as "s"
Remember double 'SS' in between the strings di & ertation which should not be misspelled with single 'S'
Wrong Spelling: di-s-ertation
Correct Spelling: di-ss-ertation
Find more incorrect spellings of Dissertation to spell right way.