What is another word for "derivative"?

Roget's Thesaurus (1911) lists these synonyms for "derivative": artillery, concordance, conjugate, delectus, derivation, dictionary, etymology, etymon, exactly, glossary, glossographer, glossology, gradus, grammar, index, lexicography, lexicologist, lexicon, literal, name, nominal, orismology, paleology, paronymous, part, philology, phrase, root, scholar, speech, term, terminology, the, thesaurus, titular, verbal, verbally, verbarian, verbatim, vocable.