- relation
- relation back
- relational
- relational adjective
- relational database
- relational database management system
- relations
- relationship
- relative
- relative atomic mass
- relative clause
- relative density
- relative frequency
- relative humidity
- relative incidence
- relative majority
- relative molecular mass
- relative pronoun
- relative quantity
- relative-in-law
- relatively
- relativise
- relativism
- relativistic
- relativistic mass
- relativistically
- relativity
- relativity theory
- relativize
- relatum
- relax
- relaxant
- relaxation
- relaxation behavior
- relaxation method
- relaxation time
- relaxed
- relaxer
- relaxin
- relaxing
- relay
- relay link
- relay race
- relay station
- relay transmitter
- relearn
- release
- releasing
- releasing factor
- releasing hormone
- relegate
- relegating
- relegation
- relent
- relentless
- relentlessly
- relentlessness
- relevance
- relevancy
- relevant
- relevantly
- reliability
- reliable
- reliableness
- reliably
- reliance
- reliant
- relic
- relict
- relief
- relief map
- relief pitcher
- relief printing
- relief valve
- relieve
- relieve oneself
- relieved
- reliever
- relievo
- religion
- religionism
- religionist
- religiosity
- religious
- religious belief
- religious ceremony
- religious cult
- religious doctrine
- religious festival
- religious holiday
- religious leader
- religious movement
- religious music
- religious mystic
- religious mysticism
- religious offering
- religious order
- religious orientation
- religious outcast
- religious person
- religious residence
- religious right
- religious rite
- religious ritual
- religious school
- religious sect
- religious service
- religious society of friends
- religious song
- religious text
- religious trance
- religious writing
- religiousism
- religiously
- religiousness
- reline
- relinquish
- relinquished
- relinquishing
- relinquishment
- reliquary
- relish
- relishing
- relistening
- relive
- reliving
- reload
- relocatable program
- relocate
- relocated
- relocation
- reluctance
- reluctant
- reluctantly
- reluctivity
- rely
- rely on
- rely upon
- relyric
- rem
- rem sleep
- remain
- remain down
- remain firm
- remainder
- remaining
- remains
- remake
- remaking
- remand
- remark
- remarkable
- remarkably
- remarriage
- remarry
- rematch
- rembrandt
- rembrandt harmensz van rijn
- rembrandt van rijn
- rembrandt van ryn
- rembrandtesque
- remediable
- remedial
- remediate
- remediation
- remedy
- remember
- remember oneself
- remembering
- remembrance
- remembrance day
- remembrance sunday
- remicade
- remilegia
- remilegia australis
- remilitarisation
- remilitarise
- remilitarization
- remilitarize
- remind
- reminder
- remindful
- reminisce
- reminiscence
- reminiscent
- reminiscently
- remise
- remiss
- remission
- remission of sin
- remissness
- remit
- remitment
- remittal
- remittance
- remittance man
- remittent
- remnant
- remodel
- remold