1. A method in a computer system for identifying acronym and synonym pairs for a selected target corpus, the method comprising: analyzing each sentence in the target corpus to identify possible acronym and synonym pairs; determining an occurrence frequency of each identified possible acronym and synonym pair; determining a maximum possible length for each identified possible acronym and synonym pair; ranking each identified possible acronym and synonym pair based on the occurrence frequency and maximum possible length; and displaying the ranked acronym and synonym pairs to the user.