affinity

As nouns the difference between affinity and sudanophilia

is that affinity is a natural attraction or feeling of kinship to a person or thing while sudanophilia is an affinity for (and ability to be stained by) Sudan Red.

As a noun affinity

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

As an adjective toxophil is

(biology) having an affinity with an organic poison (toxin).

As a noun affinity

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

As an adjective chromaffin is

(cytology) having an affinity for (and thus being stained brownish yellow) by chromium salts.

As nouns the difference between affinity and immunoaffinity

is that affinity is a natural attraction or feeling of kinship to a person or thing while immunoaffinity is (biochemistry|noun adjunct) the specific chemical affinity between an antibody, or antibody domain, and an antigen.

As nouns the difference between affinity and neurotropism

is that affinity is a natural attraction or feeling of kinship to a person or thing while neurotropism is (biology) an affinity for nervous tissue.