Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
strūmōsus, a, um, adj. [1. struma], having a struma, scrofulous, strumous, Col. 7, 10, 3: homo, Juv. 10, 309: facies, Schol. Bob. ad Cic. Sest. 65.