Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
corruptrix (conr-), īcis, f. [corruptor], she that corrupts or seduces; or adj., corrupting (very rare): tam depravatis moribus, tam corruptrice provinciā, Cic. Q. Fr. 1, 1, 6, § 19: licentia, rerum corruptrix et morum, Amm. 25, 3, 18.