protactinium

1. A rare, extremely toxic, radioactive element chemically similar to uranium, having 13 known isotopes, the most common of which is protactinium 231 with a half-life of 32,480 years. Atomic number 91; melting point 1,230°C; specific gravity 15.37; valence 4, 5. See Table at element.

2. A shiny radioactive metallic element of relatively short life .

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Top Words by points	Points	Word Game
protactinium	18	Scrabble

2 Letters	Scrabble® Points
ai	2
am	4
an	2
ar	2
at	2
in	2
it	2
ma	4
mi	4
mo	4
mu	4
na	2
no	2
nu	2
oi	2
om	4
on	2
op	4
or	2
pa	4
pi	4
po	4
ta	2
ti	2
to	2
um	4
un	2
up	4
ut	2

3 Letters	Scrabble® Points
act	5
aim	5
ain	3
air	3
ait	3
ami	5
amp	7
amu	5
ani	3
ant	3
apo	5
apt	5
arc	5
arm	5
art	3
att	3
cam	7
can	5
cap	7
car	5
cat	5
con	5
cop	7
cor	5
cot	5
cru	5
cum	7
cup	7
cur	5
cut	5
imp	7
ion	3
mac	7
man	5
map	7
mar	5
mat	5
mic	7
mir	5
moa	5
moc	7
moi	5
mon	5
mop	7
mor	5
mot	5
mun	5
mut	5
nam	5
nap	5
nim	5
nip	5
nit	3
nom	5
nor	3
not	3
nut	3
oar	3
oat	3
oca	5
oma	5
opa	5
opt	5
ora	3
orc	5
ort	3
our	3
out	3
pac	7
pam	7
pan	5
par	5
pat	5
pia	5
pic	7
pin	5
pit	5
piu	5
poi	5
pom	7
pot	5
pro	5
pun	5
pur	5
put	5
rai	3
ram	5
ran	3
rap	5
rat	3
ria	3
rim	5
rin	3
rip	5
roc	5
rom	5
rot	3
rum	5
run	3
rut	3
tam	5
tan	3
tao	3
tap	5
tar	3
tat	3
tau	3
tic	5
tin	3
tip	5
tit	3
tom	5
ton	3
top	5
tor	3
tot	3
tui	3
tum	5
tun	3
tup	5
tut	3
ump	7
uni	3
upo	5
urn	3
urp	5
uta	3
aro	3

4 Letters	Scrabble® Points
acro	6
airn	4
airt	4
amin	6
amir	6
anti	4
arco	6
arum	6
atom	6
atop	6
aunt	4
auto	4
cain	6
cami	8
camo	8
camp	10
cant	6
capo	8
carn	6
carp	8
cart	6
ciao	6
cion	6
coat	6
coin	6
coir	6
coma	8
comp	10
coni	6
corm	8
corn	6
coup	8
cram	8
crap	8
crit	6
crop	8
curn	6
curt	6
icon	6
impi	8
inia	4
inro	4
inti	4
into	4
iota	4
iron	4
main	6
mair	6
mano	6
marc	8
mart	6
matt	6
maun	6
maut	6
mica	8
mina	6
mini	6
mint	6
miri	6
mitt	6
moan	6
moat	6
mora	6
morn	6
mort	6
mott	6
muni	6
muon	6
mura	6
mutt	6
naoi	4
narc	6
nipa	6
noir	4
noma	6
nori	4
norm	6
nota	4
omit	6
orca	6
otic	6
pact	8
pain	6
pair	6
pant	6
part	6
pian	6
pica	8
pima	8
pina	6
pint	6
pion	6
pirn	6
pita	6
porn	6
port	6
pour	6
pout	6
pram	8
prao	6
prat	6
prau	6
prim	8
proa	6
prom	8
ptui	6
puma	8
puna	6
punt	6
puri	6
putt	6
rain	4
rami	6
ramp	8
rani	4
rant	4
rapt	6
rato	4
riot	4
roam	6
roan	4
romp	8
rota	4
roti	4
roup	6
rout	4
ruin	4
rump	8
runt	4
taco	6
tact	6
tain	4
tamp	8
tarn	4
taro	4
tarp	6
tart	4
taut	4
tian	4
tint	4
tipi	6
tiro	4
titi	4
toit	4
topi	6
tora	4
torc	6
tori	4
torn	4
tort	4
tour	4
tout	4
tram	6
trap	6
trim	6
trio	4
trip	6
trop	6
trot	4
trou	4
tump	8
tuna	4
turn	4
unai	4
unci	6
unco	6
unit	4
unto	4
upon	6
uric	6
cria	6

5 Letters	Scrabble® Points
acini	7
acorn	7
actin	7
actor	7
amici	9
amino	7
amnic	9
amnio	7
amort	7
amour	7
amrit	7
animi	7
antic	7
aport	7
apron	7
atrip	7
attic	7
auric	7
cairn	7
campi	11
campo	11
canto	7
capon	9
capot	9
caput	9
carom	9
carpi	9
cauri	7
coapt	9
coati	7
compt	11
copra	9
coria	7
cornu	7
cotan	7
cotta	7
count	7
court	7
cramp	11
crimp	11
croup	9
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cumin	9
cunit	7
curia	7
curio	7
cutin	7
imino	7
impro	9
inapt	7
inarm	7
incur	7
input	7
intro	5
ionic	7
macon	9
macro	9
manic	9
manor	7
matin	7
miaou	7
micra	9
micro	9
minor	7
mirin	7
moira	7
monic	9
mount	7
mourn	7
mucin	9
mucor	9
mucro	9
muton	7
nairu	5
narco	7
naric	7
nitro	5
noria	5
notum	7
octan	7
onium	7
ontic	7
opium	9
optic	9
orcin	7
orpin	7
ottar	5
paint	7
panic	9
panto	7
patin	7
patio	7
piani	7
piano	7
picot	9
pinot	7
pinta	7
pinto	7
piton	7
pitot	7
pitta	7
point	7
porin	7
prima	9
primi	9
primo	9
print	7
prion	7
pruta	7
punto	7
purin	7
puton	7
putti	7
putto	7
racon	7
ramin	7
ratio	5
riant	5
ricin	7
roman	7
runic	7
rutin	5
tacit	7
taint	5
tanto	5
tapir	7
taroc	7
tarot	5
taunt	5
tauon	5
tinct	7
titan	5
toman	7
tonic	7
topic	9
toric	7
torii	5
torta	5
tract	7
train	5
trait	5
tramp	9
trapt	7
triac	7
tromp	9
trona	5
trout	5
trump	9
tumor	7
tunic	7
tutor	5
umiac	9
unapt	7
unarm	7
uncap	9
uncia	7
unica	7
unrip	7
natto	5

6 Letters	Scrabble® Points
action	8
aminic	10
amount	8
anomic	10
antrum	8
anuric	8
aortic	8
armpit	10
aroint	6
atomic	10
atonic	8
atopic	10
atrium	8
attorn	6
camion	10
cantor	8
captor	10
carton	8
cartop	10
cation	8
catnip	10
citrin	8
citron	8
conium	10
contra	8
corium	10
cornua	8
cortin	8
cottar	8
craton	8
crinum	10
cuatro	8
iatric	8
impact	12
impair	10
impart	10
import	10
inpour	8
intact	8
intima	8
intort	6
intuit	6
ionium	8
ironic	8
macron	10
manioc	10
manito	8
manitu	8
mantic	10
martin	8
matric	10
matron	8
mattin	8
micron	10
miotic	10
moirai	8
muonic	10
mutant	8
mutton	8
nitric	8
nutria	6
octant	8
optima	10
otitic	8
outact	8
outman	8
outran	6
parton	8
patron	8
pianic	10
picaro	10
pionic	10
pitman	10
potman	10
prutot	8
ptotic	10
puncta	10
racino	8
rapini	8
ration	6
ratton	6
rotini	6
rumina	8
rumpot	10
tampon	10
tarpon	8
tinpot	8
tipcat	10
titian	6
titman	8
tomcat	10
toucan	8
tricot	8
triton	6
tropic	10
tropin	8
truant	6
tunica	8
turaco	8
turion	6
turnip	8
unicom	10
untrim	8
uptorn	8
uranic	8
uratic	8
utopia	8

7 Letters	Scrabble® Points
amorini	9
antipot	9
apomict	13
apricot	11
aprotic	11
atropin	9
auction	9
campion	13
campout	13
cantrip	11
caption	11
carotin	9
catmint	11
caution	9
citator	9
comitia	11
compart	13
cortina	9
courant	9
crampit	13
crampon	13
cranium	11
cumarin	11
curtain	9
impaint	11
imprint	11
introit	7
maintop	11
manitou	9
mantric	11
marconi	11
martini	9
minicar	11
minorca	11
minutia	9
mitotic	11
mutator	9
natrium	9
noritic	9
opuntia	9
paction	11
panicum	13
pantoum	11
parotic	11
patriot	9
piratic	11
porcini	11
potamic	13
protium	11
ptomain	11
puranic	11
puritan	9
rainout	7
rampion	11
ricotta	9
romaunt	9
ruction	9
taction	9
tampion	11
tantric	9
tantrum	9
timpani	11
timpano	11
tinamou	9
tipcart	11
titanic	9
trimpot	11
tripman	11
triptan	9
tritium	9
tritoma	9
tuition	7
utopian	9

8 Letters	Scrabble® Points
aconitum	12
actinium	12
amitotic	12
amniotic	12
antiriot	8
citation	10
coumarin	12
curation	10
imitator	10
impactor	14
intromit	10
morainic	12
mutation	10
optician	12
outpaint	10
printout	10
protamin	12
protatic	12
romantic	12
taciturn	10
titanium	10
traction	10
trapunto	10
triticum	12
turncoat	10
uranitic	10
urticant	10

9 Letters	Scrabble® Points
antitumor	11
impaction	15
important	13
manicotti	13
mortician	13
partition	11
patriotic	13
triatomic	13

10 Letters	Scrabble® Points
imputation	14
urtication	12

11 Letters	Scrabble® Points
unpatriotic	15

12 Letters	Scrabble® Points
protactinium	18