Unit 1, Lesson 1
discomfort
disconnect
dishonest
disobey
disqualify
nondairy
nonliving
nonremovable
nonspecific
nonstick
reappear
rearrange
rediscover
refreeze
retrace
uncooked
uneventful
unidentified
unimpressed
untangle
Challenge Words
disarray
nonverbal
unconscious
Unit 1, Lesson 2
applauded
bargaining
boasted
burying
concentrated
concluded
doubling
grumbled
guessing
identifying
informed
lectured
marveled
omitted
proposing
replied
stammering
suspending
vanishing
whirling
Challenge Words
analyzing
evacuated
immigrating
Unit 1, Lesson 3
aisle
content
desert
dew
due
excuse
I’ll
isle
lead
muscle
mussel
object
palm
pitcher
root
rung
side
sighed
story
wrung
Challenge Words
proceeds
stationary
stationery
Unit 1, Lesson 4
breezy
dusty
entirely
exactly
firmly
forcefully
graceful
grainy
gratefully
healthful
moody
peaceful
powerless
spotless
stormy
successful
swiftly
thoughtless
weightless
worthless
Challenge Words
flawless
historically
purposeful
Unit 1, Lesson 5
activity
admiration
admission
collision
concussion
decoration
digestion
division
exception
generosity
personality
humidity
identity
occasion
pollution
population
profession
punctuation
satisfaction
session
Challenge Words
agility
compassion
excursion
discomfort
disconnect
dishonest
disobey
disqualify
nondairy
nonliving
nonremovable
nonspecific
nonstick
reappear
rearrange
rediscover
refreeze
retrace
uncooked
uneventful
unidentified
unimpressed
untangle
Challenge Words
disarray
nonverbal
unconscious
Unit 1, Lesson 2
applauded
bargaining
boasted
burying
concentrated
concluded
doubling
grumbled
guessing
identifying
informed
lectured
marveled
omitted
proposing
replied
stammering
suspending
vanishing
whirling
Challenge Words
analyzing
evacuated
immigrating
Unit 1, Lesson 3
aisle
content
desert
dew
due
excuse
I’ll
isle
lead
muscle
mussel
object
palm
pitcher
root
rung
side
sighed
story
wrung
Challenge Words
proceeds
stationary
stationery
Unit 1, Lesson 4
breezy
dusty
entirely
exactly
firmly
forcefully
graceful
grainy
gratefully
healthful
moody
peaceful
powerless
spotless
stormy
successful
swiftly
thoughtless
weightless
worthless
Challenge Words
flawless
historically
purposeful
Unit 1, Lesson 5
activity
admiration
admission
collision
concussion
decoration
digestion
division
exception
generosity
personality
humidity
identity
occasion
pollution
population
profession
punctuation
satisfaction
session
Challenge Words
agility
compassion
excursion