Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† blasphēmo, āre, v.a., = βλασφημέω (eccl. Lat.), to revile, reproach, Vulg. 1 Par. 20, 7; God and divine things, to blaspheme: Christum, Prud. Apoth. 415: nomen Domini, Tert. adv. Jud. 13 fin.; Vulg. Lev. 24, 11; id. Matt. 9. 3; 26, 65.