noun: the quality of requiring deliberate effort
Length: 13 letters
Scrabble value: 22
Words with Friends value: 25
Literati value: 19
TWL (USA): Found
SOWPODS (UK): Found
effortfulness
fretfulness
effortless
effortful
resentful
effluent
entresol
fernless
foulness
fourteen
resolute
snuffers
snuffler
softener
steffens
streusel
toneless
trueness
tuneless
enfeoff
estrone
estrous
flouter
fluster
fortune
fresnel
fretful
fuentes
oestrus
offense
oftener
orestes
restful
snuffer
snuffle
souffle
stuffer
sunrose
toeless
toluene
tonsure
truffle
turnoff
tussore
effort
effuse
ensure
estrus
ferule
fester
flense
floret
fluent
foetus
forest
foster
fresno
fulton
lessen
lesser
lesson
lessor
luster
lustre
nereus
nester
nestle
nestor
neuter
offset
ossete
ostler
ouster
refuel
refuse
refute
relent
resent
resole
result
ruffle
runoff
russet
rustle
sensor
serous
setoff
setose
soften
solent
soleus
solute
stereo
sterne
sterol
stoner
suffer
sunset
sutler
teeoff
teflon
telfer
tensor
tenure
toffee
tosser
tousle
tureen
tusser
tussle
ulster
unfree
unreel
unrest
elute
enets
enrol
ensue
enter
ernst
erose
essen
ester
euler
felon
feoff
fesse
fetor
fetus
fleer
fleet
floss
flour
flout
fluff
fluor
flute
forte
fosse
fount
freon
fress
front
frost
fusee
futon
lense
lento
leone
lerot
loess
loner
loren
loser
lotus
louse
norse
nurse
offer
often
onset
ousel
outer
outre
rente
reset
reuse
rouse
route
seles
senor
sense
sente
seoul
seton
sleet
sneer
snore
snort
snout
snuff
sorus
souse
steel
steen
steer
stele
stern
stole
stone
store
stuff
teens
tenor
tense
teres
terse
toner
tonus
torus
tours
tress
truss
tuner
enol
erne
eros
erse
erst
euro
feel
felt
fern
fess
fete
flee
floe
flue
font
fore
fort
fots
foul
four
free
fret
fuel
furl
fuse
fuss
leer
lees
left
lens
lent
leon
less
leto
loft
lone
lore
lose
loss
lost
lots
lour
lout
lues
luff
lunt
lure
lust
lute
neel
nero
ness
nest
noel
nose
note
nous
nuts
onus
orff
otus
ouse
oust
reef
reel
reno
rent
rest
rete
role
rolf
rose
ross
rote
rotl
roue
rous
rout
ruff
rule
rune
runt
ruse
rust
seel
seer
self
sene
sens
sent
sere
serf
sloe
slot
slue
slur
slut
snot
soft
sole
sone
sore
sort
soul
sour
stun
suer
suet
sure
surf
teen
teff
tern
toff
tofu
tole
tolu
tone
tons
tore
torn
toss
tour
tree
tref
true
tues
tuff
tune
turf
turn
user
ussr
eel
eff
eft
elf
eln
ene
enl
eon
eos
ern
ert
ese
esr
est
etf
fee
fen
fes
fet
flu
foe
frs
fto
ful
fun
fur
lee
leo
ler
let
leu
lot
luo
nee
neo
net
not
nrl
nro
nsf
nsu
nut
off
oft
one
ore
out
ref
res
ret
roe
ron
rot
rue
ruf
run
rus
rut
see
sen
set
sle
sls
sol
son
sos
sot
sou
sse
sue
sun
sur
sus
tee
ten
tnf
toe
ton
tor
trf
tss
tun
ufo
ult
url
urn
use
usn
ute
utn
ee
el
en
er
es
eu
fe
fl
fo
fr
ft
le
lf
lr
lu
ne
no
nt
nu
on
or
os
re
rf
rn
ro
ru
se
sl
sn
so
sr
ss
te
tl
tn
un
ur
us
ut
e
f
l
n
o
r
s
t
u
effluvium
efflux
effortlessly
effortlessness
effrontery
effulgence