Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Alii, ōrum, v. Alis and 1. Alius.
2. Ālĭs, ĭdis, f., = Elis, Ἆλις, Doric for Ἦλις (only in Plaut. Capt.), a town in Achaia: eum vendidit in Alide, Plaut. Capt. prol. 9; 25.
Its inhabitants, Ālĭi, ōrum, m., Plaut. Capt. prol. 24.