“DISCING” is a valid word. — 11 points Scrabble

sidinga short stretch of railroad track used to store rolling stock or enable trains on the same line to pass
dicingcut into cubes
icingsthe formation of frost or ice on a surface

dingsa ringing sound
icingthe formation of frost or ice on a surface
discian athletic competition in which a disk-shaped object is thrown as far as possible

signa perceptible indication of something not immediately apparent (as a visible clue that something has happened)
singdeliver by singing
dinga ringing sound
discsound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove
digsan excavation for ore or precious stones or for archaeology
ginsstrong liquor flavored with juniper berries
nisinot final or absolute
dinsa loud harsh or strident noise
gids
nidia central point or locus of an infection in an organism

digthe site of an archeological exploration
sinestrangement from god
ginstrong liquor flavored with juniper berries
ids
dina loud harsh or strident noise
disgod of the underworld; counterpart of Greek Pluto
insan agency in the Department of Justice that enforces laws and regulations for the admission of foreign-born persons to the United States
sicurge to attack someone
cisan alliance made up of states that had been Soviet Socialist Republics in the Soviet Union prior to its dissolution in Dec 1991
gid

ishave the quality of being; (copula, used with an adjective or a predicate noun)
ina unit of length equal to one twelfth of a foot
ida state in the Rocky Mountains
sia tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors

DISCING