The phrase "to make new words" means to create or invent new vocabulary, either by combining existing words in a novel way, or by coining entirely new terms. Full definition
Children not only make new words but also sort those words by letter patterns - an effective tool for strengthening spelling skills. (originsonline.org)
Even though the state Board of Elections did not make the new wording of the casino amendment public until three weeks after they voted on it, Snyder still waited another month before filing his claim. (wrvo.org)
Produce and then read three - sound words by swapping out the beginning sounds to make new words in the same word family. (sightwords.com)