Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
multĭ-lŏquus, a, um, adj. [multus-loquor], talkative, loquacious (Plautin.): coquus, Plaut. Ps. 3, 2, 5: anus, id. Cist. 1, 3, 1: erit tacitus, qui naturā fuerat multiloquus, Cael. Aur. Acut. 2, 2, 10.