1. A method, comprising: performing a word-level alignment process between a pair of statements to generate a word-level alignment sequence for the pair of statements, each statement in the pair of statements including one or more words that articulate a message for a computer application upon recognition by a speech recognition system; identifying each potential confusion zone within the word-level alignment sequence generated for the pair of statements; and determining a probability of the speech recognition system confusing words within each identified potential confusion zone within the word-level alignment sequence generated for the pair of statements, wherein the operations of the method are performed by a computer processor.