a male given name

a male given name

a female given name

a sick friend, a friend who is ill / different people who have the same disease (not necessarily friends)

email pen pal

a “mom-friend”: a mother who is friends with another mother due to having children who interact with each other

a female given name

(neologism, teen slang) BFFs (best friends forever)

(neologism) a friend you keep in touch with with a pager

(slang) IRL friend