It is an expectation of parents to use words as names to show that they are strict with themselves, so the words in the names are auspicious.
"It's hard to be frank." It is clearly pointed out in Shuo Wen Jie Zi that the meaning of words refers to conversation, speech and so on. Later, after evolution, the current words have many extended meanings, such as vows, suggestions, words and decrees. However, no matter what the meaning is, words have no negative meaning, so we can use words to name them.