Embodiments of the present invention disclose a method, a computer program product, and a computer system for a naming convention reconciler. A computer receives and pre-processing first dictionary 114 and second dictionary 116. In addition, the computer parses the pre-processed dictionaries to extract one or more names from each of the two dictionaries. The computer then generates a hash table of the names extracted from the second dictionary and searches the hash table for names that include a word in common with a name extracted from first dictionary 114. Based on identifying a name in the hash table that includes a word in common with a name extracted from first dictionary 114, the computer determines a similarity between the names and stores an association between the names having a greatest similarity.