antimonopoly vs antitrust

antimonopoly and antitrust both are adjectives.

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

As adjectives, antimonopoly and antitrust are synonyms defined as:

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

antimonopoly (adjective)	antitrust (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