Parasynthetic is a term used to describe words that are formed by combining a prefix, a root, and a suffix. However, there are several synonyms for this word that describe the same concept. One of these synonyms is "complex word," which refers to a word that is formed by combining multiple morphemes. Another synonym is "compound word," which is formed by joining two or more words together. Additionally, "derivational word" describes a word that is formed by affixing a prefix or suffix to a root word. Other synonyms for parasynthetic include "polysynthetic" and "synthetic word." These words all refer to the same linguistic concept of creating new words by combining pieces of existing words.