PNcheck                 Spell checking using ternary search trees
SDcheck                 Performs spell checking using symmetric delete
                        spell correction
SDkeeper                Pre-creates a data.table or a ternary search
                        tree
TSTr-package            Ternary Search Tree for Auto-Completion and
                        Spell Checking
XMIwords                10001 most frequent English words
addToTree               Adds a set of strings to a ternary search tree
addWord                 Adds a single word or string
completeWord            Autocompletion of strings
dimTree                 Tree dimensions
newTree                 Creates a new ternary search tree
searchWord              Search a string
