Affinity vs. Kin — What's the Difference?

A natural attraction, liking, or feeling of kinship

(used with a pl. verb) One's relatives or family

A natural tendency or ability to use or do something

A relative or family member

A natural compatibility of one thing with another

(used with a pl. verb) Organisms that are genetically related to another or others

Relationship by marriage

Related genetically or in the same family.

An inherent similarity between persons or things

Related or similar; akin

(Biology) A relationship or resemblance in structure between species that suggests a common origin.

Race; family; breed; kind.

An attraction or force between particles or chemicals that causes them to combine.

(collectively) Persons of the same race or family; kindred.

The degree to which particles or chemicals are likely to combine

One or more relatives, such as siblings or cousins, taken collectively.

A natural attraction or feeling of kinship to a person or thing.

Relationship; same-bloodedness or affinity; near connection or alliance, as of those having common descent.

A family relationship through marriage of a relative (e.g. sister-in-law), as opposed to consanguinity (e.g. sister).

(fandom) A fictional character who one deeply relates to.

A kinsman or kinswoman of a such relationship; one who is affinal.

Someone who relates deeply to a certain fictional character.

The fact of and manner in which something is related to another.

Related by blood or marriage, akin. Generally used in "kin to".

Any romantic relationship.

To identify with; as in empathize or emotionally relate to a fictional character.

A love interest; a paramour.

A primitive Chinese instrument of the cittern kind, with from five to twenty-five silken strings.

Any passionate love for something.

Relationship, consanguinity, or affinity; connection by birth or marriage; kindred; near connection or alliance, as of those having common descent.

(taxonomy) resemblances between biological populations, suggesting that they have a common origin, type or stock.

Relatives; persons of the same family or race.

(geology) structural resemblances between minerals; resemblances that suggest that they are of a common origin or type.

The unit velocity in the C. G. S. system - a velocity of one centimeter per second.

(chemistry) An attractive force between atoms, or groups of atoms, that contributes towards their forming bonds

Of the same nature or kind; kinder.

(medicine) The attraction between an antibody and an antigen

A person having kinship with another or others;

(computing) tendency to keep a task running on the same processor in a symmetric multiprocessing operating system to reduce the frequency of cache misses

Group of people related by blood or marriage

(geometry) An automorphism of affine space.

Related by blood

Relationship by marriage (as between a husband and his wife's blood relations, or between a wife and her husband's blood relations); - in contradistinction to consanguinity, or relationship by blood; - followed by with, to, or between.

Kinship generally; close agreement; relation; conformity; resemblance; connection; as, the affinity of sounds, of colors, or of languages.

Companionship; acquaintance.

That attraction which takes place, at an insensible distance, between the heterogeneous particles of bodies, and unites them to form chemical compounds; chemism; chemical or elective affinity or attraction.

A relation between species or higher groups dependent on resemblance in the whole plan of structure, and indicating community of origin.

A superior spiritual relationship or attraction held to exist sometimes between persons, esp. persons of the opposite sex; also, the man or woman who exerts such psychical or spiritual attraction.

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

(immunology) the attraction between an antigen and an antibody

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;

Inherent resemblance between persons or things

A natural attraction or feeling of kinship;