Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
* ĭneptĭtūdo, ĭnis, f. [ineptus], for ineptia, absurdity: homo ineptitudinis cumulatus, Caecil. ap. Non. 128, 15 (Com. Fragm. v. 61 Rib.).