plural of hard R

plural of n****r

plural of R-R

plural of w****r

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Initialism of Royal Society for the Protection of Birds.

Initialism of Royal Society for the Prevention of Cruelty to Animals.

(pathology) Initialism of repetitive strain injury. / (finance, cryptocurrencies) Initialism of relative strength index.

(art, UK) Initialism of Royal Society of Arts. / Initialism of Republic of South Africa. / (cryptography) Initialism of Rivest-Shamir-Adleman (“an encryption algorithm”).

(Australia, hospitality) Initialism of Responsible Service of Alcohol (a qualification and permit for bar staff). / (aviation) Initialism of runway safety area.