noun: a decrease in the density of something; "a sound wave causes periodic rarefactions in its medium"
Length: 11 letters
Scrabble value: 16
Words with Friends value: 18
Literati value: 13
TWL (USA): Found
SOWPODS (UK): Found
rarefaction
refraction
ceratonia
fornicate
tarriance
aeration
aircraft
airforce
anterior
carinate
cetraria
craniate
creation
croatian
fraction
frontier
raincoat
reaction
rotarian
rotifera
tricorne
acarine
aconite
aerator
african
airfare
arteria
carfare
carotin
carrion
cartier
ceratin
certain
cetonia
conifer
cortina
crafter
creatin
creator
croatia
crofter
erotica
erratic
faction
fanatic
fancier
fortran
francoa
frantic
infarct
infract
narrate
noticer
ocarina
oceania
reactor
refract
refrain
retrain
rotifer
terrain
trainer
tricorn
acetin
acinar
acorea
action
africa
aortic
arcane
arctan
arnica
arrant
atonia
atonic
caftan
caitra
canter
cantor
carafe
carina
carnot
carrot
carter
carton
catena
cation
ceftin
citron
coiner
confer
confit
contra
cornea
corner
cornet
corrie
cortef
crater
craton
cretan
cretin
enatic
entric
erotic
errant
factor
farina
fenrir
ferric
fiance
forint
france
franco
infect
ionate
nectar
nerita
nicaea
noetic
notice
octane
orient
ornate
otaria
racine
rafter
rancor
ranier
ranter
ration
recant
rector
renoir
retain
retina
rioter
taenia
tirana
tracer
trance
aaron
acorn
actin
actor
afire
after
antic
aorta
areca
arena
atone
cairn
cairo
canoe
canto
carat
caret
carte
cater
coati
corer
cotan
craft
crane
crate
creon
crier
croat
croft
crone
crore
enact
erato
erica
facer
facet
facia
faint
farce
feint
feria
fetor
finer
force
forte
franc
freon
friar
frier
front
frore
inert
infer
infra
inter
intro
irate
irena
nacre
nafta
naira
niter
nitre
noria
oaten
ocean
often
orate
racer
racon
raita
ratan
ratio
react
reata
recto
refit
retro
riant
riata
ricer
taira
tenia
tenor
tiara
tinca
tinea
toner
tonic
trace
train
trice
trier
trine
aare
acer
acne
acre
aeon
afar
afro
aire
airt
anoa
ante
anti
arca
arco
area
aria
arno
atar
aten
aton
cafe
cain
cane
cant
care
cart
cent
cero
cert
cftr
ciao
cira
cite
coat
coif
coin
coir
cone
cora
core
corn
cote
cran
earn
eira
erin
etna
face
fact
fain
fair
farc
fare
faro
fart
fate
fear
feat
fern
fiat
fica
fice
fine
fire
font
fore
fort
frat
fret
iaea
icao
icon
inca
info
iota
iran
iron
naif
nara
narc
nato
near
neat
nero
nice
noaa
note
nrti
once
oran
orca
otic
race
raft
rain
rana
rani
rant
rare
rate
rear
rein
reit
reno
rent
rice
rico
rife
rift
riot
rira
rite
roan
roar
rota
rotc
rote
taco
taif
tara
tare
tarn
taro
tear
tera
tern
tier
tine
tire
tiro
toea
tone
tore
torn
torr
tref
trio
trna
aar
ace
act
aec
aft
ain
air
ana
ane
ani
ano
ant
ara
arc
are
art
ate
atf
can
car
cat
ceo
cer
cfo
cia
cio
con
cot
cro
crt
ear
eat
ecf
ect
eft
eon
era
ern
err
ert
eta
etf
faa
fae
fan
fao
far
fat
fen
fet
fin
fir
fit
foe
fri
ftc
fto
iaa
ice
ifc
inc
inr
ion
ira
ire
nac
nec
neo
net
nit
noc
not
nra
nrc
nro
oaf
oar
oat
oca
oct
oft
one
oni
ore
orr
otc
raf
rat
ref
ret
rio
rna
roc
roe
roi
ron
rot
tai
tan
tao
tar
tce
tea
tec
ten
tia
tic
tie
tin
tnf
toe
ton
tor
trf
aa
ac
ai
an
ar
at
ca
ce
cf
ci
co
cr
ct
ea
ec
en
er
fa
fe
fo
fr
ft
ia
ic
ie
in
io
ir
it
na
nc
ne
ni
no
nt
on
or
ra
re
rf
ri
rn
ro
ta
tc
te
ti
tn
a
c
e
f
i
n
o
r
t
raptus
rare-roasted
rarebit
raree-show
rarefied
rarefy
rarely
rareness
rarified