monopolist vs monopolizer

monopolist and monopolizer both are nouns.

Word	Noun	Adjective	Verb	Adverb
monopolist	Yes	No	No	No
monopolizer	Yes	No	No	No

As nouns, monopolist and monopolizer are synonyms defined as:

monopolist and monopolizer: someone who monopolizes the means of producing or selling something

Other synonyms of monopolist include monopoliser.

monopolist (noun)	monopolizer (noun)
someone who monopolizes the means of producing or selling something	someone who monopolizes the means of producing or selling something