n. 25B6; noun
her affinity with animals and birds : EMPATHY, rapport, sympathy, accord, harmony, relationship, bond, fellow feeling, like-mindedness, closeness, understanding; liking, fondness; informal chemistry.
the semantic affinity between the two words : SIMILARITY, resemblance, likeness, kinship, relationship, association, link, analogy, similitude, correspondence.
aversion, dislike, dissimilarity.