Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
suffertus (sufferctus, Lucil. ap. Gell. 4, 17, 3), a, um, adj. [sub-farcio], crammed full, full (very rare): subicit suffectus posteriorem, Lucil. l. l.: aliquid se sufferti tinniturum, something full-sounding, sonorous, Suet. Ner. 20.