Learn how to pronounce TOUGH, THROUGH, THOROUGH, THOUGH, THOUGHT in American English. This lesson focuses on the schwa syllable and the short e, short a, and short o vowels /ɛ, æ, ɑ/. Jennifer Tarle from Tarle... Improve your accent and speak clearly with these pronunciation lessons. Learn and practice the voiced and voiceless TH sounds /ð/ and /θ/. This is a very common sound in American English. Mastering it will... Learn how to say the common words THEN and TEN. These words only differ by one sound: TH and T. Learn the difference between these words in this video. Thanks for attending my live YouTube class. You can get the handouts and recorded video with the following links: HANDOUTS: TH sounds There is only one way to spell the TH sound, whether it is voiced or voiceless, is with the letters TH: thing, athlete, math, than, although.