The term 'CRANIUM NERVE' can be broken down into four crossword solutions: TETE (4 letters), BRAIN (5 letters), SINUS (5 letters), and BRAINCASE (9 letters). TETE is a French word meaning head, and is often used to refer to the skull. BRAIN is the organ located in the skull that controls thought, memory, emotion, and sensation. SINUS is a cavity in the skull that is filled with air and connected to the nasal passages. BRAINCASE is another term for the cranium, which is the part of the skull that encloses and protects the BRAIN.