Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Naristi (v. l. Varisti; also Varis-tae, ārum, Capitol. Anton. Phil. 22, 1), ōrum, m., a people of Germany, part of the Suevi, near the Hermundurians, Tac. G. 42; Cap. Marc. Aur. 22.