Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
schoenĭcŭlae, ārum, f. [schoenum], prostitutes anointed with schoenum, Plaut. ap. Varr. L. L. 7, § 64 Müll.; id. ap. Fest. pp. 328 and 329 ib.