How many words can you make out of superfluous?

There are a lot. Here's a nice sized list for you:

sulfurous
uprouses
sporules
uprouse
surplus
sulfurs
sporule
splores
slopers
pursues
purfles
pulsers
profuse
profess
poseurs
plessor
pelorus
lupuses
leprous
furless
usurps
useful
uruses
uprose
supers
sulfur
sprues
spouse
spores
splore
sorels
soleus
slurps
slopes
sloper
serous
rufous
rueful
rouses
pursue
purses
purfle
pulses
pulser
pulers
proses
proles
poseur
posers
polers
pluses
ousels
opuses
lupous
louses
loupes
losers
lopers
lessor
fusser
fusels
fouler
fluors
flours
usurp
users
surfs
supes
super
suers
spurs
spues
sprue
spore
souse
sours
soups
souls
sorus
sores
sorel
solus
soles
slurs
slurp
slues
slops
slope
sloes
serfs
selfs
ruses
rules
rouse
roups
roues
roses
ropes
roles
repos
puses
purse
purls
pulse
pules
puler
pross
prose
prole
profs
press
pours
poufs
posse
poses
poser
pores
poles
poler
pesos
pelfs
ousel
orles
lures
lupus
louse
lours
loups
loupe
loses
loser
lores
lopes
loper
fuses
fusel
furls
fuels
froes
fours
fouls
fosse
fores
fluor
flues
flour
floss
flops
floes
euros
uses
user
urus
surf
sure
sups
supe
sulu
sues
suer
spur
spue
sous
sour
soup
soul
sore
sops
sols
sole
slur
slue
slop
sloe
sers
serf
sels
self
ruse
rule
rues
roup
roue
rose
rope
role
roes
reps
repo
refs
puss
purs
purl
pure
puls
pule
pros
prof
pour
pouf
pose
pore
pols
pole
plus
peso
pelf
ours
oses
orle
ores
opus
opes
oles
lure
lues
lour
loup
loss
lose
lore
lops
lope
less
fuss
fuse
furs
furl
froe
foul
fore
foes
flue
fess
fuel
four
foss
fops
flus
flop
feus
euro
epos
eros
use
ups
sup
sue
sop
sol
ser
sel
rue
roe
res
rep
ref
pus
pur
pul
pro
pol
pes
per
our
ose
ore
ops
ole
lop
leu
fur
fro
fou
for
fop
foe
flu
fer
ess
ers
els
elf
us
up
so
re
pe
OS
or
op
of
lo
fe
el

I doubt that some of those will be accepted unless the person who will be looking at this word list knows the words that are allowed in a Scrabble game, but pick and choose and have fun.