affinity
US /əˈfɪn.ə.t̬i/
UK /əˈfɪn.ə.t̬i/
1.
a spontaneous or natural liking or sympathy for someone or something
:
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He has a natural affinity for languages.
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There was an immediate affinity between them.
2.
a relationship or resemblance in structure or character between diverse things
:
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There is a strong affinity between the two cultures.
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The chemical elements show an affinity for each other.