real estate broker vs estate agent

real estate broker and estate agent both are nouns.

Word	Noun	Adjective	Verb	Adverb
real estate broker	Yes	No	No	No
estate agent	Yes	No	No	No

As nouns, real estate broker and estate agent are synonyms defined as:

real estate broker and estate agent: a person who is authorized to act as an agent for the sale of land

Other synonyms of real estate broker include house agent, land agent, real estate agent.

real estate broker (noun)	estate agent (noun)
a person who is authorized to act as an agent for the sale of land	a person who is authorized to act as an agent for the sale of land