Tetratricopeptide is a term used to describe a certain type of protein structure that is characterized by repeated motifs of 34 amino acids. However, there are a few synonyms that can be used to refer to this type of protein structure. Some of the commonly used synonyms include TPR, which stands for tetratricopeptide repeat, and TRP, which is an abbreviation for tetratricopeptide repeat motif. Additionally, some researchers may also use the term TPR-like or TRP-like to describe similar protein structures that may not have exact 34 amino acid motifs, but possess similar structural features. Overall, these synonyms can be used interchangeability to refer to this important protein structure.