redu - repl
- relative orientation
- relative parallelism
- relative parameter
- relative pencil
- relative permeability
- relative phase modulation
- relative phase telegraphy
- relative plausibility
- relative position
- relative potency
- relative precision index
- relative primality
- relative primes
- relative priority
- relative product
- relative projective object
- relative proof
- relative proximity
- relative pseudocomplement
- relative pulse duration
- relative rank
- relative recursion
- relative recursiveness
- relative redunancy
- relative resolution
- relative risk
- relative scalar
- relative scale
- relative seismicity
- relative sensitivity
- relative sign
- relative size
- relative skewness
- relative solution
- relative space
- relative stability
- relative sum
- relative surgery
- relative symbol
- relative system
