Kinship
Part of speech: noun
Definition: relation or connection by blood, marriage or adoption relation or connection by nature or character
Example sentence: I never thought, when I was a kid, that there was a sense of competition or animosity towards poor blacks. I just thought there was a recognition that they lived differently - they primarily lived on the other side of town. And we're both poor, but that's kind of it. There wasn't much explicit statement of kinship or of the lack of kinship.
Affinity
Part of speech: noun
Definition: A natural attraction or feeling of kinship to a person or thing.A family relationship through marriage of a relative, as opposed to consanguinity. (e.g. sister-in-law).The fact of and manner in which something is related to another.A kinsman or kinswoman of such relationship. Affinal kinsman or kinswoman.Any romantic relationship.Any passionate love for something.An attractive force between atoms, or groups of atoms, that contributes towards their forming bondsThe attraction between an antibody and an antigen
Example sentence: I have no affinity for cows. I mean, they're cool.