Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ŏlentĭcētum, i, n. [oleo], a stinking place, a dungheap, in trop. signif. (postclass.), Claud. Mam. Stat. Anim. 2, 9: olenticeta et fetutina, App. Mag. p. 278, 7.