GMAT Vocabulary Flash Cards @ englishpdf.com and englishteststore.com File 160 decalogue (n) The ten commandments Decameron (n) A volume consisting of ten parts or books decameter (n) A length of ten meters decamp (v) To leave suddenly or unexpectedly decapitate (v) To behead decapod (adj) Ten-footed or ten-armed decasyllable (n) A line of ten syllables deceit (n) Falsehood