Learn how to say Accomplice correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word accomplice:
a person who helps another commit a crime:
an accomplice in the murder
mid 16th century: alteration (probably by association with accompany) of Middle English complice ‘an associate’, via Old French from late Latin complex, complic- ‘allied’, from com- ‘together’ + the root of plicare ‘to fold’