anorack: anorack ("a" vs "an" checker) anorack: anorack: The English language has two indefinite articles: anorack: a: used before words that begin with a consonant sound (e.g., a anorack: program, a host, a user); anorack: an: used before words that begin with a vowel sound (e.g., an example, anorack: an hour, an undefined variable). anorack: anorack: anorack is a specialized spell-checker that finds incorrect indefinite anorack: articles. anorack: