1) If it refers to the study of the nature and structure of human language, it can be translated as: linguistics.
2) If it refers to historical comparative philology, it can be translated into philology.
2. Applied linguistics
It should be understood as the former and translated as applied linguistics.
Others, such as applied mathematics, applied mathematics; Applied Physics Applied physics is also translated in this way.
3) Linguistics and Applied Linguistics-two translations are as follows:
Linguistics and applied linguistics
Linguistics and applied linguistics