In the last week, a similar graph to this came up in one of the Principles of Economics seminars with nostr:npub1gdu7w6l6w65qhrdeaf6eyywepwe7v7ezqtugsrxy7hl7ypjsvxksd76nak in relation to the chapter on labor:

Source:
It shows the rise of the word 'unemployment' from the early 1900s. I've added the keywords 'inflation' and 'minimum wage'. To quote a paragraph from the chapter:
"It is telling that the concept of unemployment did not really exist as an economic term before the twentieth century. In a free market, people choose whether or not to work for the wage offered to them, so nobody can be involuntarily unemployed. With the introduction of monetary inflationism and minimum wage laws, a permanently unemployed part of the population became a fixture of modern economies, and blaming this unemployment on the market process became a fixture of the pseudoscientific economics dominant in modern academia, financed by those with vested interests in maintaining inflation in order to provide rationales for it."