The word "capable of decomposition" can be replaced with several synonyms, depending on the context. For instance, the word "biodegradable" is frequently used to describe materials that can break down naturally through bacterial or fungal action. Other synonyms for "capable of decomposition" include "disintegrable," which refers to substances that can easily break into smaller pieces, and "dissolvable," which is used to describe materials that can dissolve in water or other solvents. Additionally, the term "decomposable" can be used interchangeably with "capable of decomposition," as it refers to the ability of materials to break down into their constituent parts over time.