Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
argūtĭŏla, ae, f. dim. [argutiae, q. v. fin.], a piece of slyness or subtlety, a cavil, quirk, or quibble (only in Gell.), Gell. 9, 14 fin.; 2, 7, 9; 18, 1, 12.