Radixes, also known as roots, have several antonyms depending on the context. In mathematics, inverses, or reciprocals, are an antonym of radixes. An inverse is the opposite operation of what a radix does, and they are commonly used in fraction calculations. In linguistics, the antonym for radixes would be derivations, which are words that are created by adding prefixes or suffixes to base words. For example, the word 'happiness' is a derivation of the base word 'happy'. In botany, the antonym of radixes would be shoots, which are the new growths that appear from the stem of a plant. In essence, antonyms of radixes differ depending on the domain of study.