Compound explosives are a type of explosive material composed of two or more components. The two most common components are nitro, which is a mixture of nitric and sulfuric acids, and AMATOL, which is a mixture of ammonium nitrate and TNT. AMATOL is a six-letter word and nitro is a five-letter word. These compounds are used in a variety of applications, including military explosives, mining explosives, and fireworks.