1. A drug comparator for assessing the confusability of one or more target drugs and one or more reference drugs based on one or more attributes of each target drug and each reference drug, comprising: a name attribute comparator that performs a composite quantitative comparison of a name attribute of the one or more target drugs and the one or more reference drugs, and that generates one or more name-attribute similarity scores based on said comparison, each name-attribute similarity score representing a similarity of the compared name attributes, wherein the name attribute comparator comprises two or more analyzers selected from the group consisting of: an orthographic analyzer that generates one or more name-attribute similarity scores based on one or more orthographic measures of the name attributes of the one or more target and reference drugs; a phonetic analyzer that generates one or more name-attribute similarity scores based on one or more phonetic measures of the name attributes of the one or more target and reference drugs; and a phonological analyzer that generates one or more name-attribute similarity scores based on one or more phonological measures of the name attributes of the one or more target and reference drugs.