Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Chĕlīdŏnĭae Insŭlae, f., = Χελιδόνεαι (-do/niai) *nh = soi, the Swallow-islands, a group of three or five small, rocky islands off the Lycian coast, Liv. 33, 20, 2; Mel. 2, 7, 5.