Rhymes with stiffen

WordSyllablesCategories
tighten
/x
Verb, Verb
constrain
x/
Verb, Verb
tighten up
/x/
Phrase, Verb
loosen
/x
Verb, Verb
harden
/x
Noun
soften
/x
Verb
toughen
/x
Verb
weaken
/x
Verb
stiff
/
Adjective
strengthen
/x
Verb
slacken
/x
Verb
droop
/
Noun
deform
x/
Verb
thicken
/x
Verb
lengthen
/x
Verb
intensify
x/xx
Verb
stabilize
/xx
Verb
deepen
/x
Verb
solidify
x/xx
Verb
crumple
/x
Noun
aggravate
/xx
Verb
straighten
/x
Verb
stabilise
/xx
Verb
deflate
x/
Verb
shrivel
/x
Verb
protrude
x/
Verb
dampen
/x
Verb
disintegrate
x/xx
Verb
bolster
/x
Noun
moisten
/x
Verb
flex
/
Noun
clench
/
Noun
lessen
/x
Verb
erode
x/
Verb
widen
/x
Verb
invigorate
x/xx
Verb
exacerbate
x/xx
Verb
deteriorate
x/xxx
Verb
flatten
/x
Verb
shrink
/
Verb
falter
/x
Noun
worsen
/x
Verb
sagged
/
Verb
fortify
/xx
Verb
tremble
/x
Verb
redden
/x
Noun
prolong
x/
Verb
unsettle
x/x
Verb
attenuate
x/xx
Verb
improve
x/
Verb
stifle
/x
Verb
steeled
/
Verb
reinforce
xx/
Verb
tougher
/x
Adjective
accelerate
x/xx
Verb
elongate
x/x
Adjective
dissolve
x/
Verb
impel
x/
Verb
constrict
x/
Verb
heighten
/x
Verb
harder
/x
Adjective
reduce
x/
Verb
restrain
x/
Verb
stimulate
/xx
Verb
wilt
/
Noun
relieve
x/
Verb
rigidity
x/xx
Noun
crystallize
/xx
Verb
galvanize
/xx
Verb
irritate
/xx
Verb
insulate
/xx
Verb
darken
/x
Verb
bend
/
Noun
reshape
x/
Verb
bind
/
Noun
enhance
x/
Verb
freeze
/
Noun
penetrate
/xx
Verb
expand
x/
Verb
shorten
/x
Verb
broaden
/x
Verb
rigid
/x
Adjective
redouble
x/x
Verb
quicken
/x
Name
reinvigorate
xx/xx
Verb
diminish
x/x
Verb
suffocate
/xx
Verb
melt
/
Noun
degrade
x/
Verb
lighten
/x
Verb
quivered
/x
Verb
waver
/x
Noun
stronger
/x
Adjective
softer
/x
Adjective
recede
x/
Verb
dissipate
/xx
Verb
augment
x/
Verb
alleviate
x/xx
Verb
soothe
/
Verb
squirm
/
Noun
threaten
/x
Verb
crumble
/x
Verb
tense
/
Noun
sharpen
/x
Verb
stretch
/
Noun
tense up
/x
Phrase, Verb
fatten
/x
Verb
thick
/
Adjective
stick
/
Noun
kink
/
Noun
wrinkle
/x
Noun
shackle
/x
Noun
sinews
//
Noun
backbones
/x
Noun
resolve
x/
Noun
smooth
/
Noun
billows
/x
Noun
spine
/
Noun
nipples
/x
Noun
morale
x/
Noun
joints
/
Noun
loose
/
Adjective, Verb, Noun
relax
x/
Verb
starch
/
Noun, Verb, Adjective
backwater
/xx
Noun, Verb
die
/
Verb, Noun
fall
/
Verb, Noun
milestone
/x
Noun, Verb
off
/
Adverb, Adjective, Verb, Noun
save
/
Verb, Noun
get
/
Verb, Noun
breakeven
/xx
Verb, Noun, Adjective
gloss
/
Noun, Verb
tell
/
Verb, Noun
bulletproof
/xx
Adjective, Verb
stonewall
/x
Name, Verb, Adjective
blow
/
Noun, Verb, Adjective