The term 'ASSIST IN CRIME' can be broken down into two crossword solutions: ABET (4 letters) and FAMOUSLASTWORDS (15 letters). ABET is a verb meaning to encourage or support someone in doing something wrong, usually a crime. FAMOUSLASTWORDS is an idiom meaning to provide help or assistance to someone in committing a crime. Both terms refer to the act of helping someone else commit a crime, either by actively participating or by providing moral support.