IPO vs mercantilism

IPO and mercantilism both are nouns.

Word	Noun	Adjective	Verb	Adverb
IPO	Yes	No	No	No
mercantilism	Yes	No	No	No

As nouns, mercantilism is a hypernym of IPO; that is, mercantilism is a word with a broader meaning than IPO:

IPO: a corporation's first offer to sell stock to the public
mercantilism: transactions (sales and purchases) having the objective of supplying commodities (goods and services)

Other hypernyms of IPO include commerce, commercialism.

IPO (noun)	mercantilism (noun)
a corporation's first offer to sell stock to the public	transactions (sales and purchases) having the objective of supplying commodities (goods and services)
	an economic system (Europe in 18th century) to increase a nation's wealth by government regulation of all of the nation's commercial interests