Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Langŏbardi, ōrum, m., a people of northern Germany, west of the Elbe, Tac. G. 40; id. A. 2, 45; 11, 17: gens etiam Germana feritate ferocior, Vell. 2, 106, 2.