INLA is an acronym that stands for the Irish National Liberation Army. The term is specific to a particular militant group based in Northern Ireland, and as such, there are no widely accepted synonyms for the term. However, one could refer to the INLA as a paramilitary organization, a guerrilla group, or a militant faction, among other similar terms. It's important to note that any synonyms used for INLA should be used with caution and in context, as the group has been involved in many acts of violence and terrorism throughout its history.