Ricki

From Richard. As a female name also from Erica.

Ricki

1. A diminutive of the male given name Richard, more often spelled Rickie or Ricky.
2. A female given name from the Germanic languages and a nickname of modern usage, also spelled Rikki.

• 1995, Robert Waldron, Ricki!: The Unauthorized Biography of Ricki Lake, Boulevard Books, →ISBN, page 12:

  Unhappy with her name, Ricki even gave herself a new, more feminine one that she hoped would propel her to stardom: Laura Ingalls.

• 1996, John le Carré, The Tailor of Panama, Alfred A. Knopf, →ISBN, page 20:

  There comes Ricardo-call-me-Ricki, who in a short but profitable reign in the upper echelons of the Ministry of Public Works awarded himself the right to build every road in Panama from now until eternity.

• Irick