The crossword solution for the term PREFIX WITH SURGEON is NEURO, which is a five-letter word. Neuro is a prefix that is commonly used in medical terminology and is derived from the Greek word 'neuron, ' meaning nerve. It is often used in combination with other words to describe a specialist in a particular field of medicine, such as a neurosurgeon, which is a surgeon who specializes in the diagnosis and treatment of disorders of the nervous system.