DIPHTHONG /ˈdɪfθɑŋ/ ► audio Scrabble 19 Words With Friends 20 Scrabble letter values: D2I1P3H4T1H4O1N1G2 = 19 Definition noun a vowel sound that starts near the articulatory position for one vowel and moves toward the position for another. See all 119 words you can make from DIPHTHONG → 9-letter words Words starting with D Words ending with G ← Unscramble different letters