The word "eightsome" refers to a group of eight people or things. However, there are several other synonyms for this word, such as octad, octet, and octuple. Additionally, the terms octagon (which means a shape with eight sides) and octahedron (which refers to a solid shape with eight faces) are also related to the concept of "eightsome." Other possible synonyms for "eightsome" could include words like eight-pack, eight-piece, or eightfold. Regardless of which term is used, it's clear that the number eight holds a special significance in human culture, religion, and science, leading to many words and phrases that relate to this number in various ways.