fallency/ˈfælənsi/EtymologyFrom Latin fallentia, fallens, present participle of fallere. Doublet of failance.fallency means an exception (to a rule). Lexicurio rates it Sui generis — a strength score of 87 out of 100.nounAn exception (to a rule).“Maranta enumerates forty cases, in which a negative ought to be proved: and Socinus sets down eight hundred and two fallencies (that is the word of the law), concerning the contestation of suits and actions at law”