The word Acedence is misspelled against Accedence, a noun meaning "The act of acceding."
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Accedence has double "cc" is mispronounced as "c"
Remember double 'CC' in between the strings A & edence which should not be misspelled with single 'C'
Wrong Spelling:  A-c-edence 
Correct Spelling:  A-cc-edence 
Explore spell check of Accedence to spell without errors.