A type of knot is a way of tying two pieces of rope or string together. The five letter word 'HITCH' refers to a knot that is used to attach a rope to an object, such as a post or a ring. The four letter word 'REEF' is a type of knot used to shorten a sail on a boat. The five letter word 'snell' is a knot used to attach a fishing line to a hook. The six letter word 'GRANNY' is a knot used to tie two ropes together. Finally, the nine letter word 'monkeypaw' is a knot used to secure a rope to a pole or post.