af·fin·i·ty 
/əˈfɪnəti/ noun
plural af·fin·i·ties /əˈfɪnəti/ noun formal 1 : a feeling of closeness and understanding that someone has for another person because of their similar qualities, ideas, or interests [singular] ▪ They had much in common and felt a close affinity (for/to/with each other). ▪ There's always been an affinity between us. [noncount] ▪ He never felt any affinity with the other kids in his neighborhood. 2 [singular] a : a liking for or an attraction to something
▪ We share an affinity for foreign films. [=we both like foreign films]
b : a quality that makes people or things suited to each other
▪ Fish and white wine have a natural affinity for/to each other. [=fish and white wine taste good together] 3 : the state of being similar or the same [noncount] ▪ the affinity of all human beings with one another = the affinity between all human beings [count] ▪ Are there any affinities [=similarities] between the two styles of painting?
▪ We share an affinity for foreign films. [=we both like foreign films]
b : a quality that makes people or things suited to each other
▪ Fish and white wine have a natural affinity for/to each other. [=fish and white wine taste good together]
