The term 'Demolitionist Supply' refers to a job that requires the use of nitro, which is a five-letter word. Nitro is an explosive material used in demolition work, and it is typically supplied by a demolitionist. The demolitionist is responsible for providing the necessary materials and equipment for the demolition process, such as nitro, dynamite, and other explosives. They also provide safety equipment and training to ensure that the demolition process is done safely and efficiently.