reputation vs. repute
report vs. story
report vs. study
reprint vs. separate
reissue vs. reprint
reprint vs. reprinting
result vs. termination
rondeau vs. rondel
rondeau vs. rondo
rhyme vs. verse
rhyme vs. rime
revising vs. rewriting
retool vs. revise
recasting vs. rewording
rephrasing vs. rewording
reader vs. reviewer
reader vs. referee
reader vs. subscriber
resume vs. survey
restart vs. resume
resume vs. summarize
resume vs. summarise
rundown vs. summation
resignation vs. surrender
rebuttal vs. rebutter
rebutter vs. refuter
read vs. translate
read vs. understand
read vs. study
read vs. take
read vs. scan
read vs. say
rot vs. waste
rubbish vs. trumpery
rubbish vs. scrap
rebroadcast vs. rerun
rave vs. spout
rebuke vs. reproof
rebuke vs. reproval
rebuke vs. reprehension
rebuke vs. reprimand
reproach vs. upbraid
reaffirmation vs. reassertion
reply vs. respond
recital vs. yarn
reharmonisation vs. reharmonization
repetitiousness vs. repetitiveness
roar vs. thunder
roar vs. yawl
rant vs. ranting
rant vs. spout
repel vs. repulse
rumor vs. rumour
recoil vs. spring
recoil vs. wince
recur vs. repeat
reiterate vs. repeat
repeat vs. restate
repeat vs. retell
recapitulate vs. repeat
repeat vs. reprise
repeat vs. reprize
ricochet vs. spring
rustle vs. whispering
ravel vs. unravel
rabble vs. rout
ratafee vs. ratafia
rusk vs. zwieback
rutabaga vs. swede
rambotan vs. rambutan
ravigote vs. ravigotte
rijstaffel vs. rijsttaffel
rijstafel vs. rijsttaffel
rick vs. twist
rugelach vs. rugulah
ruggelach vs. rugulah
raider vs. spoiler
rabble vs. riffraff
rabble vs. ragtag
retinue vs. suite
roads vs. roadstead
represser vs. repressor
riverbank vs. riverside
ruffian vs. tough
roughneck vs. tough
retard vs. slow
requester vs. suppliant
restauranter vs. restaurateur
redact vs. redactor
redact vs. reviser
redact vs. rewriter
reveler vs. reveller
radiologist vs. radiotherapist
reeler vs. staggerer
ref vs. referee
referee vs. umpire
ragamuffin vs. tatterdemalion
raja vs. rajah
regent vs. trustee
ranee vs. rani
ranter vs. raver
raper vs. rapist
reliever vs. substitute
renter vs. tenant
ratiocinator vs. reasoner
recoverer vs. rescuer
rescuer vs. saver
recidivist vs. reversionist
revolutionist vs. subversive
ropemaker vs. roper
ropedancer vs. ropewalker
rhymer vs. rhymester
rhymer vs. versifier
rotter vs. stinkpot
rover vs. scouter
rubberneck vs. rubbernecker
rubberneck vs. tripper
ridiculer vs. satirist
rival vs. touch
roarer vs. screamer
ravisher vs. smasher
ravisher vs. violator
railroader vs. trainman
railwayman vs. trainman
reprover vs. upbraider
reproacher vs. upbraider
rebuker vs. upbraider
rouser vs. waker
redwood vs. sequoia
rauvolfia vs. rauwolfia
ragweed vs. ragwort
rabbitweed vs. snakeweed
roselle vs. sorrel
rozelle vs. sorrel
ramee vs. ramie
raffia vs. raphia
rhizome vs. rootstock
rootstalk vs. rootstock
ratables vs. rateables
revenue vs. taxation
recognisance vs. recognizance
riches vs. wealth
reabsorption vs. resorption
rigidifying vs. stiffening
rigidification vs. stiffening
rad vs. radian
rouble vs. ruble
relevance vs. relevancy
reflexiveness vs. reflexivity
rapture vs. transport
raptus vs. transport
raptus vs. seizure
ravenousness vs. voraciousness
rachitis vs. rickets
rhabdomyosarcoma vs. rhabdosarcoma
ranking vs. superior
reign vs. sovereignty
rutherfordium vs. unnilquadium
refuse vs. resist
ribonuclease vs. ribonucleinase
resin vs. rosin
rottenstone vs. tripoli
reddle vs. ruddle
raddle vs. ruddle
raveling vs. ravelling
resolvent vs. solvent
render vs. try
render vs. translate
render vs. show
render vs. submit
render vs. supply
retire vs. withdraw
resuscitate vs. revive
resurrect vs. revive
refurbish vs. renovate
renovate vs. restitute
reduce vs. thin
reduce vs. tighten
reduce vs. shrink
reduce vs. subdue
reduce vs. repress
reduce vs. subjugate
refresh vs. refreshen
rouse vs. wake
relax vs. unstrain
relax vs. unlax
relax vs. unwind
relax vs. unbend
relax vs. slack
relieve vs. unbosom
relieve vs. salvage
regurgitate vs. reproduce
receive vs. welcome
remain vs. stay
recover vs. recuperate
recoup vs. recuperate
reclaim vs. recover
restitute vs. restore