Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
scordălus, i, m., a quarrelsome fellow, a wrangler, brawler (a low post-Aug. word), Petr. 95, 7; Sen. Ep. 83, 12; 56, 2; id. Suas. 7, 14.