Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
vĭŏlātĭo, ōnis, f. [violo], an injury, profanation, violation (not in Cic. or Cæs.): templi, Liv. 29, 8, 11; 31, 12, 4: religionum, Sen. Ep. 104, 27: publica fidei, Vell. 2, 1, 5.