The term 'Adenoid Neighbor' is a crossword solution that refers to the TONSIL, which is a 6 letter word. The tonsils are two small masses of lymphatic tissue located at the back of the throat. They are part of the body's immune system and help to fight off infection. They can become inflamed and swollen, leading to sore throats and other symptoms. In some cases, they may need to be surgically removed.