Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† ămārăcus, i, comm., and ămāră-cum, i, n., = ἀμάρακος, and -ον, marjoram: Origanum majorana, Linn.; Plin. 21, 11, 39, § 67; 21, 22, 93, § 163; 13, 1, 2, § 14: suave olens, Cat. 61, 7: mollis, Verg. A. 1, 693.