Meronym refers to a word that represents a part of a larger whole or a member of a group. There are several synonyms for the word "meronym" that can be used interchangeably in different contexts. Some of the common synonyms for meronym include component, constituent, element, fragment, particle, piece, section, unit, and division. These words are often used in reference to bodily organs and structures, chemical compounds, or complex systems. The choice of which word to use largely depends on the specific context or subject matter. Overall, synonymous words for meronym is useful in expanding one's vocabulary and understanding the nuances of language.