A system and method are provided to process listing data in a network-based commerce system, for example, a network-based auction facility. The method may comprise providing a user with a graphic user interface to enter listing data in the network-based commerce system, the listing data including at least one entered word. A database including a plurality of reference words that relate to listings provided by the network-based commerce system may then be investigated. If at least one entered word is misspelled, the method may include identifying at least one suggested word from the plurality of reference words and communicating the at least one suggested word to the user. In one embodiment, the reference words include words frequently misspelled and the at least one suggested word is the correct spelling of the word. The at least one suggested word may be associated with at least one category associated with a listing.