life assurance; life belt; life buoy; life class; life cycle; life estate; life eternal; life expectancy; life force; life form; life history; life imprisonment; life insurance; life jacket; life line; life mask; life office; life peer; life preserver; life principle; life raft; life ring; life saver; life science; life scientist; life sentence; life story; life style; life support; life tenant; life vest; life-and-death; life-giving; life-of-man; life-or-death; life-size; life-sized; life-style; life-support; life-support system; life-sustaining; life-threatening; life-time;