Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
vĭŏlābĭlis, e, adj. [violo], that may be injured or violated, violable (poet.): cor levibus telis, Ov. H. 15, 79: non violabile numen, Verg. A. 2, 154: turba nullis armis, senes, Stat. Th. 5, 258.