Unit 12
cast
safe
sample
sandwich
satisfaction
satisfy
say
scale
school
scope
scratch
screen
sea
seat
second
serve
service
shade
shadow
shape
sharp
sheet
shortsighted
shoulder
side
sink
slender
slight
slim
smash
smell
smile
smooth
soil
solid
sour
source
spark
sphere
spring
stage
stagger
start
station
steal
steer
stop
storm
streamline
strength
strike
strong
substance
summit
sunny
surprise
swim
quality
quantity
qualitative
quantitative
qualify
quantify
qualify
qualification
qualified
question
questionable
questionnaire
quest
request
acquire
inquire
inquiry
require
requirement
acquisition
inquisitive
requisite
exquisite
problem
problematic(al)
radio
radar
radiant
radiate
radioactive
radioactivity
radius
ray
X-ray
eradicate
radical
rage
outrage
fury
furious
railway
rail
derail
raise
rise
arise
rouse
arouse
rapid
rapidity
rape
rapture
rare
scarce
rarely
scarcely
scarcity
rate
rating
ratio
overrate
ration
rational
irrational
real
reality
realism
realistic
realize/-ise
realization
true
truly
truth
truthful
trust
entrust
trustee
reason
reasonable
unreasonable
reasoning
reasonably
receive
receipt
reception
receiver
receptor
accept
acceptable
acceptance
conceive
inconceivable
concept
conception
conceit
conceited
deceive
deception
deceit
perceive
perception
recite
cite
quote
quotation
recognize
recognition
cognitive
diagnose
diagnosis
ignore
ignorant
ignorance
record
recorder
accord
accordance
according to
accordingly
cordial
core
red
violet
infrared
ultraviolet
refuse
refusal
refuse
confuse
confusion
diffuse
diffusion
futile
fuse
fusion
regret
regretful
regrettable
regular
regularity
irregular
irregularity
regulate
regulation
deregulation
regulatory
rule
regime
regiment
region
realm
royal
royalty
reign
sovereign
rein
reject
eject
ejection
inject
injection
subject
subjective
object
objective
project
projector
jet
jetlag
relation
relationship
relate
correlate
correlation
relative
related
relative
relation
relatively
relativity
rely
reliable
reliant
reliance
remain
remainder
remains
remnant
permanent
mansion
rent
render
surrender
repeat
repeatedly
repetition
reply
ply
plight
imply
implication
implicit
explicit
explicate
explication
simple
simplicity
simplify
simplification
simplistic
simply
complicate
complicated
complication
complex
complexity
perplex
display
deploy
employ
plait
exploit
respect
respective
respectful
respectable
respected
respectively
irrespective
respond
respondent
correspond
correspondence
correspondent
corresponding
response
responsive
responsible
responsibility
sponsor
spontaneous
rest
restful
restless
arrest
result
resultant
assault
consult
consultation
consultant
consultancy
consultative
insult
revolution
revolutionary
revolt
revolve
revolver
evolve
evolution
involve
involved
volume
ripe
ripen
unripe
reap
rip
river
derive
derivation
rival
sabotage
sack
salvation
salute
sanction
sandstorm
sandwich
sane
sarcasm
sarcastic
satire
savage
saving
saying
scan
scanner
scandal
scare
scarf
scent
schedule
scheme
scold
scorn
scout
scramble
scream
screw
scrub
scrutiny
sculpture
seal
seam
seed
secular
seek
seize
semester
seminar
send
session
shabby
shaft
shake
shaky
shallow
shampoo
shape
share
shaver
shear
shepherd
shift
shiver
shock
shove
shrewd
shrink
shrub
shrug
siege
sieve
silicon
siren
skeleton
skeptical
sketch
skim
skin
skip
slack
slam
slap
slash
slaughter
slender
slice
slit
slogan
slot
slum
sly
smart
smash
smog
smooth
smuggle
snack
snap
snatch
sniff
snowball
soak
soar
sober
soda
soften
soil
solemn
solemnity
solicitor
sore
spade
span
spare
spark
sparkle
spice
spicy
spill
spinal
spine
spiral
spit
splash
splendid
split
spoil
sponge
spouse
spray
spread
sprinkle
sprout
spur
square
squeeze
stab
stack
stadium
staff
stain
stainless
staircase
staple
steady
steak
steer
stem
stereo
stern
stiff
sting
stipulate
stir
stoop
strategy
straw
strenuous
stretch
stride
strife
string
strive
struggle
stubborn
stuff
stumble
sturdy
style
subsidiary
subsidy
subtle
suck
sulfur
summon
superb
support
supportive
surgery
survey
susceptible
swallow
swamp
swarm
sway
swear
sweep
swell
swift
swing
switch
sword
symposium
syndrome