Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
sanctĭmōnĭa, ae, f. [sanctus; cf.: acrimonia, parsimonia, etc.], sacredness, sanctity, moral purity, virtuousness, chastity, etc. (rare but class.): ad deorum religionem et sanctimoniam demigrasse, Cic. Rab. Perd. 10, 30: habere domum clausam pudori et sanctimoniae, patentem cupiditati et voluptatibus, id. Quint. 30, 93: summa sanctimonia, id. ib. 17, 55: priscae sanctimoniae virgo, Tac. A. 3, 69 fin.; cf. id. ib. 2, 86: femina sanctimoniā insignis, id. ib. 12, 6: nuptiarum, Auct. Her. 4, 33, 44: sine quā nemo videbit Deum, Vulg. Heb. 12, 14.