Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
dulcĭcŭlus, a, um, adj. dim. [dulcis], sweetish (very rare): potio, * Cic. Tusc. 3, 19, 46; caseus, as a term of endearment, * Plaut. Poen. 1, 2, 179.