Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Sanquālis (Sanguālis), e, adj. [Sancus; cf. arquatus, from arcus], of or belonging to Sancus: avis, a bird sacred to Sancus, the ospray (ossifragus), Plin. 10, 7, 8, § 20; Liv. 41, 13; cf. Fest. p. 317 Müll.: sanqualis porta appellatur proxima aedi Sanci, Fest. p. 343, 34, and Paul. ex Fest. p. 345, 2 Müll.