affinity vs resemblance

affinity and resemblance both are nouns.

Word	Noun	Adjective	Verb	Adverb
affinity	Yes	No	No	No
resemblance	Yes	No	No	No

As nouns, resemblance is a hypernym of affinity; that is, resemblance is a word with a broader meaning than affinity:

affinity (noun)	resemblance (noun)
inherent resemblance between persons or things	similarity in appearance or external or superficial details
a natural attraction or feeling of kinship
the force attracting atoms to each other and binding them together in a molecule
(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