A caconym is essentially a false or incorrect name or word. Some possible synonyms for this term include misnomer, malapropism, and solecism. A misnomer is a name that is not accurate or appropriate for its subject, such as "eyebrow pencil" which is neither made of lead nor used for writing. A malapropism, on the other hand, is the use of a word that is similar in sound but different in meaning than the intended word. Solecism refers to grammatical errors or mistakes in language usage. Overall, each of these synonyms provides different shades of meaning that are related to the concept of caconyms.