private enterprise vs market economy

private enterprise and market economy both are nouns.

Word	Noun	Adjective	Verb	Adverb
private enterprise	Yes	No	No	No
market economy	Yes	No	No	No

As nouns, private enterprise and market economy are synonyms defined as:

private enterprise and market economy: an economy that relies chiefly on market forces to allocate goods and resources and to determine prices

Other synonyms of private enterprise include free enterprise, laissez-faire economy.

private enterprise (noun)	market economy (noun)
an economy that relies chiefly on market forces to allocate goods and resources and to determine prices	an economy that relies chiefly on market forces to allocate goods and resources and to determine prices