rush vs. surge
rush vs. stimulate
rush vs. speed
race vs. rush
respondent vs. responder
renascent vs. resurgent
resolved vs. solved
revitalised vs. revitalized
reprehensible vs. vicious
rhythmic vs. rhythmical
rickety vs. weakly
rickety vs. shaky
rickety vs. wobbly
rickety vs. wonky
rachitic vs. rickety
reactionary vs. ultraconservative
reactionist vs. ultraconservative
rustproof vs. rustproofed
reverend vs. sublime
risky vs. wild
risky vs. speculative
relocated vs. resettled
roving vs. vagabondage
rootless vs. vagabond
retrousse vs. upturned
radial vs. radiate
radiate vs. stellate
radiate vs. shine
radiate vs. ray
recluse vs. solitary
rutted vs. rutty
rifled vs. unrifled
rifled vs. smoothbore
regulating vs. regulation
regularization vs. regulation
regulation vs. rule
refractile vs. refractive
recurvate vs. recurved
rhombohedral vs. trigonal
ropey vs. ropy
ropey vs. stringy
ropy vs. stringy
ratable vs. rateable
ribbonlike vs. ribbony
revolved vs. rotated
reclaimable vs. recyclable
reclaimable vs. reusable
reasoned vs. sound
rubbishy vs. trashy
ruffianly vs. tough
rainy vs. showery
rattlebrained vs. scatty
rattlepated vs. scatty
Romansh vs. Rumansh
romanticist vs. romanticistic
romanticist vs. sentimentalist
radiophonic vs. radiotelephonic
reptile vs. reptilian
residual vs. residuary
residual vs. rest
remainder vs. residual
residual vs. residue
residual vs. residuum
rental vs. renting
rite vs. ritual
Roman vs. Romanic
Roman vs. Romanist
Roman vs. romish
rabbinic vs. rabbinical
radio vs. wireless
radio vs. radiocommunication
Romanian vs. Rumanian
Romanian vs. Roumanian
retinal vs. retinene
rheologic vs. rheological
recession vs. recessional
redemptional vs. redemptory
rhomboid vs. rhomboidal
Romani vs. Romany
Ruandan vs. Rwandan
rupestral vs. rupicolous
reciprocality vs. reciprocity
relation vs. telling
recounting vs. relation
reach vs. reaching
reaching vs. stretch
retirement vs. retreat
retreat vs. withdraw
retire vs. retreat
recede vs. retreat
readjustment vs. registration
rally vs. rebound
rally vs. ride
rally vs. tease
rag vs. rally
rally vs. twit
rally vs. taunt
rally vs. razz
rally vs. tantalize
rally vs. tantalise
rally vs. summon
reappearance vs. return
recovery vs. retrieval
recovery vs. recuperation
restitution vs. return
restoration vs. return
regaining vs. return
replication vs. return
return vs. riposte
retort vs. return
rejoinder vs. return
recurrence vs. return
return vs. yield
return vs. take
return vs. takings
regress vs. return
return vs. revert
retrovert vs. return
repay vs. return
rejoin vs. return
recall vs. return
render vs. return
refund vs. return
reelect vs. return
receding vs. recession
recess vs. recession
record vs. show
record vs. register
read vs. record
record vs. tape
retrogression vs. reversion
retroversion vs. reversion
regression vs. reversion
regress vs. reversion
reversal vs. reversion
reversion vs. turnabout
reversion vs. turnaround
reversion vs. throwback
realisation vs. realization
realization vs. recognition
redress vs. restitution
renovation vs. restoration
refurbishment vs. restoration
receipt vs. reception
reception vs. response
requisition vs. sequestration
redemption vs. repurchase
redemption vs. salvation
reclamation vs. reformation
ransom vs. redeem
recapture vs. retaking
recapture vs. retake
reclamation vs. renewal
reclamation vs. rehabilitation
remission vs. remitment
remission vs. remittal
remission vs. subsidence
remission vs. remittance
Renaissance vs. rebirth
rebirth vs. reincarnation
rebirth vs. renascence
revolve vs. roll
roll vs. wheel
roll vs. undulate
roll vs. wave
roll vs. slip
roll vs. scroll
roll vs. roster
roll vs. roller
roll vs. whorl
roll vs. seethe
roll vs. wind
roll vs. twine
roll vs. wrap
repair vs. reparation
rendering vs. rendition
rendering vs. translation
release vs. secrete
release vs. turn
release vs. relinquish
release vs. resign
release vs. unloose
release vs. unloosen
release vs. waiver
release vs. spill
release vs. vent
raise vs. upgrade
raise vs. rise
raise vs. resurrect
raise vs. upraise
raise vs. recruit
raise vs. stir
raise vs. rear
rub vs. wipe
rub vs. snag
rub vs. scratch
roller vs. tumbler
remit vs. remitment