Public assistance and Social service

Public assistance noun - Governmental provision of economic assistance to persons in need.

Social service and public assistance are semantically related in welfare topic. In some cases you can use "Social service" instead a noun phrase "Public assistance", when it comes to topics like social welfare.

Social service noun - An organized activity to improve the condition of disadvantaged people in society.

Public assistance and social service are semantically related in welfare topic. You can use "Public assistance" instead a noun phrase "Social service", if it concerns topics such as social welfare.