The tendency of individuals to associate with others of the same kind(noun)
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Use "homophily" in a sentence
"HOMOPHILY BIRDS OF A FEATHER FLOCK TOGETHER The term homophily stems from study of social networks."
""Uniting disparate groups on a single Internet service runs counter to 50 years of research by sociologists into what is known as 'homophily' -- the tendency of individuals to associate only with like-minded people of similar age and ethnicity.""
"She points to studies undertaken by researchers at the University of New Hampshire and elsewhere that suggests "homophily" -- the principle that people naturally favor others like them -- may play a major role in early-stage funding."