Pyrology is the study of fire. However, there are many alternative words that could be used to express the same concept. For example, "pyrotechnics" is a word that refers to the science of producing fireworks, a field that involves the study of fire. Similarly, "combustion" is a word that could be used to describe the process of burning something. Other possible synonyms for pyrology might include "incineration," "blaze," "flame," or "ignition." All of these words are related to the study and use of fire, and could be used interchangeably with pyrology, depending on the context in which they are being used.