chief

https://tts.langeek.co/read?text=Y2hpZWY&hash=cc1a4a8f410011fec3f58425068b55f0ed6874fe&lang=en&cache-only=0&driver=googletts

Here you will find the vocabulary from Unit 5 - 5E in the Insight Advanced coursebook, such as "foremost", "sheer", "principal", etc.