different religions
different reports
different reproductive stages
different requirements
different research groups
different research methods
different reservoirs
different residues
different resistance genes
different resistance mechanisms
different resolutions
different resources
different responses
different responsibilities
different results

different rheological properties
different rice varieties
different risk factors
different risk groups
different risk profiles
different risks
different roles
different routes
different rules
different salinities
different salt concentrations
different salts
different samples
different sampling strategies
different scales
different scenarios

different schedules
different schemes
different schools
different scores
different seasons
different secondary structures
different sections
different sectors
different segments
different selection pressures
different selection regimes
different selective pressures
different selectivities
different sensitivity
different sensory modalities
different sequences

different series
different serotypes
different services
different sessions
different sets
different settings
different severities
different sex
different shapes
different shear rates
different side chains
different sides
different signal pathways
different signaling pathways
different signalling pathways
different signals

different signs
different simulations
different sites
different situations
different size classes
different sizes
different skeletal sites
different skills
different slopes
different social
different social contexts