Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
candĭdŭlus, a, um, adj dim. [candidus], shining white’ dentes, *Cic. Tusc. 5, 16, 46: grex, Prud. Cath. 3, 157.
* Adv.: candĭdŭlē, in trop. signif. (cf. candidus fin.), candidly, sincerely, Arn. 2, p. 50.