- sororityA group of girls or women associated for a common purpose; a sisterhood.
- sororA sorority sister; a fellow member of one's sorority.
- SoroptimistA member of Soroptimist International (founded 1921), a worldwide volunteer service organization for professional women who work to improve the lives of women and girls.
- sororizeTo associate, or have a relationship, as or as if sisters; to have sisterly feelings or bonds.