Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
calvĭtĭes, ēi, f. [calvus], baldness (a rare form for calvitium): prae calvitie, * Suet. Galb. 20; Petr. 108, 1.
calvĭtĭum, ii, n. [calvus], baldness (class.; access. form calvĭtĭes).