Debris Rock is a term used to describe a type of rock formation that is composed of broken pieces of rock, often found at the base of a cliff or mountain. SCREE, which is a five-letter word for this type of rock, is made up of small, angular fragments of rock. NEEDLE, a six-letter word for this type of rock, is made up of long, thin pieces of rock. FLOTSAM, a seven-letter word for this type of rock, is made up of larger pieces of rock that have been washed away by water. All three words are used to describe Debris Rock, which is a type of rock formation composed of broken pieces of rock.