noun: the most important spring in a mechanical device (especially a clock or watch); as it uncoils it drives the mechanism
Length: 10 letters
Scrabble value: 15
Words with Friends value: 17
Literati value: 11
TWL (USA): Found
SOWPODS (UK): Found
mainspring
aspiring
praising
aspirin
ingrain
ingrian
pairing
pianism
priming
raining
raising
rasping
rinsing
sparing
airing
arming
gramps
impair
inspan
margin
marini
mining
naming
nanism
panini
paring
pigman
pining
prinia
raisin
riming
rising
simian
singan
sprain
spring
agism
armin
gamin
grain
grasp
grias
irani
manis
mansi
naris
nigra
nisan
pains
paris
parsi
pinna
prang
priam
prima
prism
rings
sapir
sarin
sigma
sinai
spain
spang
sprag
sprig
agni
airs
amir
apis
arms
arng
asin
gain
gamp
gari
gasp
gimp
gram
gran
grim
grin
grip
gris
inga
iran
iris
magi
main
mann
mari
mars
mina
ming
mini
mips
miri
mrna
nagi
nina
nipa
nipr
nisi
nrna
pain
pair
pang
pima
ping
pisa
prag
pram
prig
prim
ragi
rain
ramp
rani
rasp
riga
rima
ring
sami
sang
sari
siam
sian
sign
sima
sing
snag
snap
snip
spam
span
spar
spin
aim
ain
air
amp
ang
ani
ans
apr
arm
arp
asp
gam
gap
gar
gas
gia
gin
gip
gnp
gpa
gps
gsa
gsr
iga
igm
iis
imp
inn
inr
ins
ira
irs
isi
ism
isn
mag
man
map
mar
min
mps
mri
mrs
msg
nag
nan
nap
nga
nim
nip
nmr
npa
nra
nsa
pan
par
pas
pia
pig
pin
pms
prn
psa
psi
rag
ram
rap
ras
rig
rim
rip
rna
rpm
sag
sam
sap
sin
sip
sir
snp
spa
ag
ai
am
an
ar
as
ga
gi
gm
gp
ia
ig
ii
in
ip
ir
ma
mg
mi
mn
mp
mr
ms
na
ng
ni
nm
np
pa
pi
pm
pr
ps
ra
rg
ri
rn
sa
sg
si
sm
sn
sr
a
g
i
m
n
p
r
s
mainline
mainly
mainmast
mainsail
mainsheet
mainstay
mainstream
mainstreamed
maintain
maintainable