rela - retr
- relabeling
- relabeling of nodes
- related color
- related to
- relation
- relational space
- relationship
- relative
- relative absorption
- relative absorption factor
- relative abundance
- relative acceleration
- relative accuracy
- relative actinism
- relative activity
- relative age determination
- relative albedo
- relative amplitude
- relative aperture
- relative approach
- relative arrangement
- relative astronomical spectrophotometry
- relative atomic weight
- relative biological effectiveness
- relative biological efficiency
- relative catalog
- relative change
- relative concentration
- relative content
- relative contribution
- relative cross-section
- relative curvature
- relative deformation
- relative density
- relative displacement
- relative distance
- relative distortion
- relative duration
- relative efficiency
- relative equilibrium