protium

1. The most abundant isotope of hydrogen, H1, with atomic mass 1.

2. The ordinary light hydrogen isotope of atomic mass 1.

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Top Words by points	Points	Word Game
protium	11	Scrabble

2 Letters	Scrabble® Points
it	2
po	4
pi	4
ti	2
to	2
or	2
op	4
om	4
oi	2
um	4
ut	2
mu	4
mo	4
up	4
mi	4

3 Letters	Scrabble® Points
tip	5
put	5
rim	5
rip	5
rom	5
rot	3
rum	5
rut	3
imp	7
urp	5
upo	5
tom	5
top	5
tor	3
ump	7
tui	3
tum	5
tup	5
piu	5
opt	5
ort	3
our	3
out	3
mut	5
mot	5
pit	5
poi	5
pom	7
pot	5
pur	5
mir	5
moi	5
mop	7
mor	5
pro	5

4 Letters	Scrabble® Points
topi	6
mort	6
tump	8
tiro	4
tori	4
tour	4
trim	6
trio	4
trou	4
port	6
trop	6
trip	6
omit	6
pour	6
rump	8
rout	4
roup	6
roti	4
romp	8
riot	4
pout	6
prim	8
puri	6
ptui	6
prom	8

5 Letters	Scrabble® Points
impro	9
tumor	7
trump	9
tromp	9
primo	9
opium	9

6 Letters	Scrabble® Points
rumpot	10
import	10

7 Letters	Scrabble® Points
protium	11