There aren't many synonyms for the word "moeritheriidae" as it is a scientific name used to classify a family of extinct mammals. However, the word can be broken down into two parts, "moeritherium" and "idae." "Moeritherium" refers to a specific genus of early proboscidean mammals that lived during the Eocene period, while "idae" is a suffix used to denote a family of animals. Therefore, the word "moeritheriidae" can simply be referred to as the "Moeritherium family." This family is known for their unique dental structure featuring two elongated upper incisors that could have been used for digging and stripping bark from trees.