osteopetrosis

1. A rare hereditary disorder characterized by hard, dense bones.

2. Any of a group of inherited disorders (in humans and other mammals) characterized by thickening of the bones due to defective bone resorption by osteoclasts. Also: a proliferative bone disorder caused by retroviral infection (avian leukosis complex) in birds.

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Here are some other words you could make with the letters osteopetrosis

Top Words by points	Points	Word Game
stepsister	12	Scrabble

2 Letters	Scrabble® Points
er	2
es	2
et	2
is	2
it	2
oe	2
oi	2
op	4
or	2
os	2
pe	4
pi	4
po	4
re	2
si	2
so	2
te	2
ti	2
to	2

3 Letters	Scrabble® Points
ere	3
ers	3
ess	3
est	3
ire	3
its	3
oes	3
oot	3
ope	5
ops	5
opt	5
ore	3
ors	3
ort	3
ose	3
pee	5
per	5
pes	5
pet	5
pie	5
pis	5
pit	5
poi	5
poo	5
pos	5
pot	5
pro	5
psi	5
pst	5
ree	3
rei	3
rep	5
res	3
ret	3
rip	5
roe	3
roo	3
rot	3
see	3
sei	3
ser	3
set	3
sip	5
sir	3
sis	3
sit	3
sop	5
sos	3
sot	3
sri	3
tee	3
tes	3
tet	3
tie	3
tip	5
tis	3
tit	3
toe	3
too	3
top	5
tor	3
tot	3

4 Letters	Scrabble® Points
epos	6
eros	4
erst	4
eses	4
esse	4
ests	4
ires	4
oops	6
oots	4
opes	6
opts	6
ores	4
orts	4
oses	4
otto	4
peer	6
pees	6
pere	6
peri	6
pert	6
peso	6
pest	6
pets	6
pier	6
pies	6
piso	6
pits	6
poet	6
pois	6
poor	6
poos	6
pore	6
port	6
pose	6
post	6
pots	6
pree	6
pros	6
psis	6
psst	6
rees	4
reis	4
repo	6
reps	6
rest	4
rete	4
rets	4
riot	4
ripe	6
rips	6
rise	4
rite	4
roes	4
roos	4
root	4
rope	6
rose	4
rote	4
roti	4
roto	4
rots	4
seep	6
seer	4
sees	4
seis	4
seps	6
sept	6
sere	4
sers	4
sets	4
sett	4
sipe	6
sips	6
sire	4
sirs	4
site	4
sits	4
soot	4
sops	6
sore	4
sori	4
sort	4
sots	4
spit	6
spot	6
sris	4
step	6
stet	4
stir	4
stop	6
stot	4
tees	4
test	4
tets	4
tier	4
ties	4
tips	6
tire	4
tiro	4
tits	4
toes	4
toit	4
toot	4
tope	6
topi	6
topo	6
tops	6
tore	4
tori	4
toro	4
tors	4
tort	4
toss	4
tost	4
tote	4
tots	4
tree	4
tret	4
trio	4
trip	6
trop	6
trot	4

5 Letters	Scrabble® Points
erose	5
erses	5
esses	5
ester	5
estop	7
oorie	5
osier	5
otter	5
ottos	5
peers	7
peise	7
peres	7
peris	7
perse	7
pesos	7
pesto	7
pests	7
peter	7
petit	7
petti	7
petto	7
piers	7
pisos	7
piste	7
pitot	7
poets	7
poise	7
poori	7
pores	7
ports	7
poser	7
poses	7
posit	7
posse	7
posts	7
potto	7
prees	7
prese	7
press	7
prest	7
pries	7
prise	7
priss	7
prose	7
proso	7
pross	7
prost	7
reest	5
repos	7
repot	7
reses	5
reset	5
resit	5
rests	5
retie	5
riots	5
ripes	7
rises	5
rites	5
roose	5
roost	5
roots	5
ropes	7
roses	5
roset	5
rosti	5
rotes	5
rotis	5
rotos	5
rotte	5
seeps	7
seers	5
seise	5
septs	7
seres	5
setts	5
sipes	7
siree	5
sires	5
sises	5
sites	5
soots	5
sopor	7
sores	5
sorts	5
speer	7
speir	7
spier	7
spies	7
spire	7
spirt	7
spite	7
spits	7
spoor	7
spore	7
sport	7
spots	7
spree	7
sprit	7
steep	7
steer	5
steps	7
stere	5
stets	5
sties	5
stipe	7
stirp	7
stirs	5
stoop	7
stope	7
stops	7
stopt	7
store	5
stoss	5
stots	5
strep	7
strip	7
strop	7
teres	5
terse	5
tests	5
tetri	5
tiers	5
tires	5
tiros	5
titer	5
titre	5
toits	5
toots	5
topee	7
toper	7
topes	7
topis	7
topoi	7
topos	7
tores	5
toros	5
torot	5
torse	5
torsi	5
torso	5
torte	5
torts	5
toter	5
totes	5
trees	5
tress	5
trets	5
tries	5
trios	5
tripe	7
trips	7
trite	5
trois	5
troop	7
trope	7
trots	5

6 Letters	Scrabble® Points
eposes	8
eroses	6
espies	8
espoir	8
esprit	8
esters	6
estops	8
osiers	6
otiose	6
otters	6
peises	8
perses	8
pester	8
pestos	8
peters	8
petite	8
petter	8
pistes	8
pitots	8
poiser	8
poises	8
pooris	8
porose	8
posers	8
posier	8
posies	8
posits	8
posses	8
posset	8
poster	8
postie	8
potsie	8
potter	8
pottos	8
preset	8
presto	8
prests	8
priest	8
prises	8
proses	8
prosit	8
prosos	8
protei	8
ptoses	8
ptosis	8
reests	6
repose	8
repots	8
resets	6
resist	6
resite	6
resits	6
respot	8
retest	6
reties	6
ripest	8
ripost	8
rooses	6
roosts	6
rosets	6
rostis	6
rottes	6
seiser	6
seises	6
seisor	6
sepses	8
sepsis	8
septet	8
serest	6
series	6
sestet	6
setose	6
setter	6
sirees	6
sister	6
sitrep	8
sitter	6
soiree	6
sopite	8
sopors	8
sorest	6
sortes	6
sortie	6
speers	8
speirs	8
speise	8
speiss	8
spiers	8
spires	8
spirts	8
spites	8
spoors	8
spores	8
sports	8
sprees	8
sprite	8
sprits	8
steeps	8
steers	6
stereo	6
steres	6
stipes	8
stirps	8
stoops	8
stoper	8
stopes	8
stores	6
street	6
streps	8
stress	6
stripe	8
strips	8
stript	8
strops	8
tester	6
testes	6
testis	6
tetris	6
tiptoe	8
titers	6
titres	6
tooter	6
topees	8
topers	8
tories	6
torose	6
torses	6
torsos	6
tortes	6
tosser	6
tosses	6
toters	6
triose	6
tripes	8
tripos	8
triste	6
troops	8
tropes	8
tsetse	6
tsores	6
tsoris	6
tsotsi	6
repost	8

7 Letters	Scrabble® Points
espoirs	9
esprits	9
isotope	9
oospore	9
operose	9
ostoses	7
ostosis	7
persist	9
pertest	9
pesters	9
pestier	9
petites	9
petters	9
pettier	9
poesies	9
poetess	9
poetise	9
poisers	9
poorest	9
posiest	9
possets	9
posters	9
posties	9
potsies	9
potters	9
pottier	9
potties	9
presets	9
presses	9
prestos	9
pretest	9
priests	9
prisses	9
proette	9
prosses	9
prossie	9
prostie	9
protest	9
protist	9
reposes	9
reposit	9
resists	7
resites	7
respite	9
respots	9
retests	7
riposte	9
riposts	9
risotto	7
ropiest	9
rosette	7
rosiest	7
seisers	7
seisors	7
septets	9
sestets	7
setters	7
sisters	7
sitreps	9
sitters	7
soirees	7
sootier	7
sopites	9
sorites	7
soroses	7
sorosis	7
sorties	7
speises	9
spitter	9
spotter	9
spriest	9
sprites	9
stereos	7
stirpes	9
stooper	9
stopers	9
stories	7
streets	7
stripes	9
tersest	7
testers	7
testier	7
tetrose	7
tipster	9
tiptoes	9
tooters	7
tootses	7
tootsie	7
tossers	7
tosspot	9
treetop	9
tresses	7
trioses	7
tsetses	7
tsooris	7
tsotsis	7
reposts	9

8 Letters	Scrabble® Points
espresso	10
isotopes	10
oospores	10
osteoses	8
osteosis	8
persists	10
pestiest	10
poetiser	10
poetises	10
poetries	10
postriot	10
pretests	10
pretties	10
proettes	10
prosiest	10
prossies	10
prosties	10
proteose	10
protests	10
protists	10
reposits	10
respites	10
ripostes	10
risottos	8
rootiest	8
rosettes	8
sootiest	8
spitters	10
spotters	10
spottier	10
stoopers	10
tetroses	8
tipsters	10
tootsies	8
tortoise	8
tosspots	10
treetops	10
triposes	10

9 Letters	Scrabble® Points
poetisers	11
potteries	11
priestess	11
proteoses	11
rootsiest	9
sportiest	11
tortoises	9
tressiest	9

10 Letters	Scrabble® Points
stepsister	12
stereopsis	12