言语学的英文：
linguistics

Her brother was an accomplished linguist.
她的哥哥能熟练地说好几种语言。

Sumerian is a linguistic isolate.
苏美尔语是一个孤立的语言。

He is bent on linguistic studies.
他专心致志于语言学研究工作。

Comparative linguistics,religion,etc
比较语言学、宗教等

The linguist does not need to be a consummate phonologist
语言学家没有必要成为练达的音位学家。