Wearing away - EROSION Fourth-year student - SENIOR
Bring to the original state - RESTORE Ghetto blaster - STEREO
Some people do it over a block - STUMBLE Apartment where you pay the tenant - SUBLET
Early chronometer - SUNDIAL First "Survivor" setting - ISLAND
DiCaprio vehicle - TITANIC Undamaged - INTACT
Farm vehicle - TRACTOR Prop for Bugs Bunny - CARROT
Leftover letters: L O R M U I T
Passcode: TURMOIL