Knowing a word means knowing both its sounds and its meaning. Both are considered crucial in determining ＿＿（23）＿＿ . If words differ in pronunciation but have the same meaning, such as sofa and couch, they are different words. Likewise, words with identical pronunciation but significantly different meanings, such as tale and tail, are also different words. Spelling is not relevant, ＿＿（24）＿＿ . Thus, bat the animal and bat for hitting baseballs are different words because they have different meanings ＿＿（25）＿＿ . Words like tale and tail are homonyms which are different words that are pronounced the same, but may or may not be spelled the same. To, too, and two are homonyms ＿＿（26）＿＿ . Homonyms can create ambiguity. A word or a sentence is ambiguous if it can be understood or interpreted in more than one way.