(music) Initialism of artist(s) and repertoire/repertory.

(law) Abbreviation of rule.

Abbreviation of rare. / Abbreviation of royal. / Abbreviation of right.

Reigned.

Abbreviation of Regina (“the queen”). / Abbreviation of Rex (“the king”). / Abbreviation of Rabbi.

The eighteenth letter of the English alphabet, called ar and written in the Latin script.

(entomology) radius / (US, politics) Republican / (monarchy) rex (“king”) or regina (“queen”); the initial by which a British monarch signs documents after his or her name / (handbells) ring

The ordinal number eighteenth, derived from this letter of the English alphabet, called ar and written in the Latin script.

(film certification) restricted / reverse / right (as opposed to left)

Abbreviation of rabbi.