Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Bassānĭa, ae, f., a town in Illyria, now Elbassan, Liv. 44, 30, 7.
Hence, Bas-sānītae, ārum, m., the inhabitants of Bassania, Liv. 44, 30, 13 and 15.