Frequency: The word is one of the 3000 most common words in English.
1.
The ~ of a person or group is their health, comfort, and happiness.
I do not think he is considering Emma’s ~...
He was the head of a charity for the ~ of children.
N-UNCOUNT: usu with poss
2.
Welfare services are provided to help with people’s living conditions and financial problems.
Child ~ services are well established and comprehensive...
He has urged complete reform of the ~ system.
ADJ: usu ADJ n
3.
In the United States, ~ is money that is paid by the government to people who are unemployed, poor, or sick.
States such as Michigan and Massachusetts are making deep cuts in ~...
N-UNCOUNT