Aword that loses respectability undergoes
pejoration
amelioration
generalization
specialization

The correct answer is A. Pejoration

Explanation:

In language, it is common words change their meaning over time, this occurs through different processes such as specialization, generalization, pejoration, among others. In the case of pejoration, this occurs as a word that as a positive or neutral connotation begins to be related to a negative connotation. This means, in pejoration, the meaning of a word becomes negative or loses respectability. An example of this is the word silly because this originally meant innocent or harmless but nowadays is used as a synonym of foolish or stupid. Thus, when a word loses respectability undergoes pejoration.