İngilizce'de "th" sesi iki şekilde telaffuz edilir: 1. Sesli "th" (voiced "th"). 2. Sessiz "th" (voiceless "th"). Bazı örnek kelimeler: Sesli "th": "this", "brother", "there", "they", "them", "the", "that", "those". Sessiz "th": "think", "math", "think", "three", "thorough", "theater", "thunder", "thief", "thought", "thumb", "throw".