Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
păpŭla, ae, f. dim. [root pamp-, pap, to swell; in Gr. πομφός; cf. 2. populus], a pustule, pimple, Cels. 5, 28, 18: ardentes, Verg. G. 3, 564: eruptiones papularum, Plin. 20, 7, 26, § 67: rubentes papulas sanare, id. 26, 11, 73, § 120; Vulg. Lev. 14, 56.
Prov.: papulas observatis alienas obsiti plurimis ulceribus, i. e. you see the mote in your brother’s eye, but not the beam in your own, Sen. Vit. Beat. 27.