Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
insĭcĭa, ae, f., and insĭcĭum (īsĭc-), ĭi, n. [inseco], stuffing, force-meat, a dish of minced meat (very rare).
isĭcĭum, ii, n., v. insicium.