spongin

1. A horny, sulfur-containing protein related to keratin that forms the skeletal structure of certain classes of sponges.

2. A scleroprotein that is the chief constituent of flexible fibers found in certain skeletons.

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Top Words by points	Points	Word Game
spongin	10	Scrabble

2 Letters	Scrabble® Points
go	3
oi	2
on	2
op	4
os	2
pi	4
po	4
no	2
gi	3
is	2
in	2
si	2
so	2

3 Letters	Scrabble® Points
psi	5
pos	5
poi	5
pis	5
pin	5
sig	4
sin	3
ops	5
ons	3
sip	5
son	3
sop	5
pig	6
gos	4
gis	4
nos	3
gip	6
gin	4
nog	4
nip	5
ion	3
ins	3
inn	3

4 Letters	Scrabble® Points
piso	6
pigs	7
pois	6
pong	7
pons	6
sing	5
sign	5
gins	5
gips	7
pion	6
pins	6
ping	7
snip	6
inns	4
ions	4
snog	5
song	5
nips	6
nogs	5
noni	4
spin	6

5 Letters	Scrabble® Points
inspo	7
gipon	8
pongs	8
pions	7
pinon	7
pings	8
pingo	8
opsin	7
oping	8
nonis	5

6 Letters	Scrabble® Points
posing	9
pinons	8
pingos	9
gipons	9
nosing	7

7 Letters	Scrabble® Points
spongin	10