Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
cŭnīla (cŏnīla), ae, f., a plant, a species of origanum; form cunila, Plaut. Trin. 4, 2, 93; Col. 6, 13, 1; Plin. 19, 8, 50, § 165; 20, 16, 61, § 169; form conila, Arn. 6, 17 fin.; App. Herb. 122.