antitrust vs antimonopoly

antitrust and antimonopoly both are adjectives.

Word	Noun	Adjective	Verb	Adverb
antitrust	No	Yes	No	No
antimonopoly	No	Yes	No	No

As adjectives, antitrust and antimonopoly are synonyms defined as:

antitrust and antimonopoly: of laws and regulations; designed to protect trade and commerce from unfair business practices

antitrust (adjective)	antimonopoly (adjective)
of laws and regulations; designed to protect trade and commerce from unfair business practices	of laws and regulations; designed to protect trade and commerce from unfair business practices