Words with the [ɔɪ] sound Diphthong gliding from rounded 'aw' to high front 'ee'. Common spellings: oi, oy. Examples: boy, coin, toy. oiloysteroystersoilseuleroiledoioilersoilyointmentoileroilfieldoyoilingoilseedsoyenoil'soilmanoyleroilfieldsoilwelloyeoyeroyola