s
1
u
1
b
3
p
3
r
1
o
1
f
4
e
1
s
1
s
1
i
1
o
1
n
1
a
1
l
1
15 letters ·
22 points in Scrabble
Meaning
originEtymology tree Proto-Indo-European *upó Proto-Italic *supo Latin sub Latin sub-der. English sub- English professional English subprofessional From sub- + professional.