Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Faustŭlus, i, m., the shepherd who brought up Romulus and Remus, Varr. R. R. 2, 1, 9; Liv. 1, 4, 7; Ov. F. 3, 56; 4, 854 al.
Facete, an epithet of Atticus, Varr. R. R. 2, 3, 1.