community vs concern

community

noun
  • The condition of having certain attitudes and interests in common. 

  • A residential or religious collective; a commune. 

  • A group of interdependent organisms inhabiting the same region and interacting with each other. 

  • A group sharing common characteristics, such as the same language, law, religion, or tradition. 

  • A group of people interacting by electronic means for educational, professional, social, or other purposes; a virtual community. 

  • A local area within a county or county borough which is the lowest tier of local government, usually represented by a community council or town council, which is generally equivalent to a civil parish in England. 

concern

noun
  • The placement of interest or worry on a subject. 

  • The expression of solicitude, anxiety, or compassion toward a thing or person. 

  • That which affects one’s welfare or happiness. A matter of interest to someone. 

  • A worry; a sense that something may be wrong; an identification of a possible problem. 

  • A business, firm or enterprise; a company. 

  • Any set of information that affects the code of a computer program. 

verb
  • To engage by feeling or sentiment; to interest. 

  • To relate or belong to; to have reference to or connection with; to affect the interest of; to be of importance to. 

  • To make somebody worried. 

How often have the words community and concern occurred in a corpus of books? (source: Google Ngram Viewer )