superoctave /sooˈ, sūˈpər-ok-tiv/

1. An organ coupler giving an octave higher
2. An organ stop two octaves above the basic pitch

• RPV
• RR
• RRP
• RS
• Rs
• RSA
• RSA encryption
• RSAMD
• RSC
• RSE
• RSFSR
• RSI
• RSJ
• RSL
• RSM
• RSNC
• RSNO
• RSNZ
• RSPB
• RSPCA
• RSS
• RSSA
• RSSPCC
• RSTM&H
• RSV