noun: an operation that removes a circular section of bone from the skull
Length: 12 letters
Scrabble value: 17
Words with Friends value: 19
Literati value: 14
TWL (USA): Found
SOWPODS (UK): Found
trephination
herniation
tripinnate
anorthite
ethiopian
inpatient
iteration
itinerant
ornithine
pantothen
parthenon
partition
anointer
antihero
antiphon
atropine
ethiopia
intonate
intranet
intropin
neritina
pantheon
patronne
perianth
petition
photinia
thiotepa
thoriate
tithonia
another
enation
entrain
entrant
etonian
hairnet
hairpin
heparin
inertia
inherit
introit
nephron
nitrate
nitrite
operant
painter
pannier
panther
patient
patriot
pattern
pertain
petitio
phaeton
phonate
pinnate
pointer
poitier
portent
pronate
protean
protein
pterion
repaint
repoint
rhinion
ternion
tertian
thinner
thorite
tontine
trenton
anoint
anther
arpent
attire
attorn
entrap
eonian
hatpin
hatter
hernia
heroin
hitter
hoenir
hornet
innate
intent
intern
intone
intron
ionate
ionian
napier
nation
natter
nerita
notate
opiate
orient
ornate
orphan
orpine
panini
pantie
parent
pareto
patent
patron
patten
patter
peoria
pernio
phoner
pinion
pinite
pinner
pinter
pirate
potent
pother
potter
prinia
protea
rapine
ration
ratite
retain
retina
rotate
rotten
tahini
tahiti
taipeh
taipei
tanner
tarpon
teapot
tehran
tenant
tenpin
tetrao
thenar
thorpe
threat
throat
throne
tiepin
tinner
tinpot
tinter
tiptoe
tither
titian
trento
trepan
triton
anion
apron
atone
atrip
earth
epona
erato
haiti
hanoi
harpo
harte
hater
heart
henna
herat
heron
hopei
hoper
horne
horta
hotei
inane
inapt
inept
inert
inion
inner
inter
intro
ionia
irani
irate
irena
nihon
niner
ninth
niter
nitre
nnrti
noria
north
oaten
opera
opine
orate
orpin
other
ottar
otter
paine
paint
panto
pater
patio
paton
penni
peron
perth
phone
piano
pieta
pinna
pinon
pinot
pinto
piton
pitot
pitta
point
porta
porte
prate
print
prion
prone
raphe
ratio
renin
repot
rhein
rhine
rhino
rhone
riant
ripen
taint
taper
tapir
tarot
tater
tenia
tenno
tenon
tenor
tenth
teton
tetra
tetri
thane
tharp
theia
theta
thorn
thrip
throe
tinea
titan
titer
tithe
titre
toner
tonne
toper
torah
torte
toter
train
trait
treat
trent
trine
tripe
trite
troat
trope
troth
aeon
aire
airt
anne
anon
ante
anti
aper
arno
aten
aton
atop
earn
eira
epha
erin
etna
hair
hani
hare
harp
hart
hate
heap
hear
heat
heir
hera
hero
hint
hire
hoar
hone
hope
hopi
horn
http
inti
iota
iran
iron
nape
nato
neap
near
neat
neon
nepa
nero
nett
nina
nine
nipa
nipr
noah
none
norn
note
nrna
nrti
oath
opah
open
oran
pain
pair
pane
pant
pare
part
pate
path
pean
pear
peat
penn
pent
peon
peri
pert
phon
phot
pier
pine
pint
pion
pita
pith
pitt
poet
pone
pore
porn
port
prat
ptah
rain
rani
rant
rape
rapt
rate
reap
rein
reit
reno
rent
rhea
riot
ripe
rite
roan
rope
rota
rote
roth
tape
tare
tarn
taro
tarp
tart
tate
tati
tear
teat
tent
tera
tern
teth
thai
thea
then
thin
thor
tier
tine
tint
tipi
tire
tiro
titi
tito
toea
tone
tope
topi
tore
torn
tort
tote
trap
trio
trip
trna
trot
ain
air
ane
ani
ano
ant
ape
apr
apt
are
arp
art
ate
atp
ear
eat
eon
epa
epi
era
ern
ert
eta
han
hao
hap
hat
hen
hep
het
hie
hin
hip
hit
hoe
hop
hot
hrt
inh
inn
inr
ion
iop
ipo
ira
ire
nan
nap
neo
net
nih
nip
nit
nne
non
not
npa
nra
nro
nth
oar
oat
one
oni
opt
ore
pan
par
pat
pea
pei
pen
pet
phi
pia
pie
pin
pit
poa
poe
poi
pot
prn
pro
pto
rap
rat
rep
ret
rho
rio
rip
rna
roe
roi
ron
rot
tai
tan
tao
tap
tar
tat
tea
ten
tet
tho
tia
tie
tin
tip
tit
tnt
toe
ton
top
tor
tot
tpn
trh
ai
an
ar
at
ea
en
er
ha
he
hi
hn
ho
hp
hr
ia
ie
ii
in
io
ip
ir
it
na
ne
nh
ni
no
np
nt
oh
on
or
pa
pe
ph
pi
po
pr
pt
ra
re
rh
ri
rn
ro
ta
te
th
ti
tn
tt
a
e
h
i
n
o
p
r
t
trente-et-quarante
trepang
trephine
trephritidae
trepid
trepidation
trepidly