Myriapoda is a term used to describe a group of animals that includes millipedes, centipedes, and other multi-legged creatures. There are several synonyms for this word that can be used interchangeably but may have slightly different meanings. Arthropoda is a synonym for myriapoda and is a term used to describe all creatures with jointed legs. Chilopoda is another synonym which refers specifically to the group of animals that includes centipedes. Diplopoda is a synonym that refers specifically to millipedes. While these terms are technically interchangeable, it is important to understand the nuances of their meanings in the context in which they are used.