fibroin

1. An insoluble white protein that is the essential component of raw silk and spider-web filaments.

2. An insoluble protein comprising the filaments of the raw silk fiber.

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Top Words by points	Points	Word Game
fibroin	12	Scrabble

2 Letters	Scrabble® Points
bo	4
or	2
on	2
oi	2
of	5
no	2
in	2
if	5
bi	4

3 Letters	Scrabble® Points
orb	5
nor	3
nob	5
nib	5
fib	8
bro	5
bio	5
ion	3
bin	5
obi	5
rib	5
rif	6
rin	3
rob	5
fro	6
for	6
fon	6
fob	8
fir	6
fin	6

4 Letters	Scrabble® Points
iron	4
nori	4
noir	4
born	6
inro	4
info	7
brin	6
brio	6
forb	9
foin	7
firn	7
fino	7

5 Letters	Scrabble® Points
oribi	7
robin	7

6 Letters	Scrabble® Points
fibrin	11

7 Letters	Scrabble® Points
fibroin	12