A CELLO is a five-letter large stringed instrument that is played with a bow. It has a deep, resonant sound and is the second largest member of the violin family. A HARP is a four-letter large stringed instrument that is plucked with the fingers. It has a bright, ethereal sound and is one of the oldest known instruments. A VIOL is also a four-letter large stringed instrument that is played with a bow. It is similar to a violin but is slightly larger and has a deeper, more mellow sound. A standupbass is an eleven-letter large stringed instrument that is played with a bow. It is the largest member of the violin family and has a deep, rich sound.