Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
vulnĭfĭcus (voln-), a, um, adj. [vulnus-facio], wound-making, wound-inflicting, wounding (poet.): sus, Ov. M. 8, 359: telum, id. ib. 2, 504: chalybs, Verg. A. 8, 446: plumbum (i. e. caestus), Val. Fl. 1, 420: Apollo, Mart. Cap. 1, § 13.