Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
mĭnūtŭlus, a, um, adj. dim. [minutus], very little; very paltry (ante- and post-class.): pueri, Plaut. Poen. prol. 28: argenteos Philippeos minutulos, Vop. Aur. 9 fin.: quaestiones, Macr. S. 7, 3.