(immunology) the attraction between an antigen and an antibody

(anthropology) kinship by marriage or adoption; not a blood relationship

(biology) state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts

a close connection marked by community of interests or similarity in nature or character

the force attracting atoms to each other and binding them together in a molecule

inherent resemblance between persons or things

a natural attraction or feeling of kinship