Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† răphănus, i, m. (f., Pall. 9, 5), = ῤάφανος, a radish, Plin. 19, 5, 26, § 78 sqq.; 20, 4, 12, § 22; Col. 11, 3, 47; 59; Cato, R. R. 35, 2; Cat. 15, 19.