estate agent vs house agent

estate agent and house agent both are nouns.

Word	Noun	Adjective	Verb	Adverb
estate agent	Yes	No	No	No
house agent	Yes	No	No	No

As nouns, estate agent and house agent are synonyms defined as:

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

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

estate agent (noun)	house 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