“MURING” is a valid word. — 9 points Scrabble

ringa characteristic sound
ruinan irrecoverable state of devastation and destruction
grimnot to be placated or appeased or moved by entreaty
runga crosspiece between the legs of a chair
grina facial expression characterized by turning up the corners of the mouth; usually shows pleasure or amusement
muni
grum
girn

runa score in baseball made by a runner touching all four bases safely
guna weapon that discharges a missile at high velocity (especially from a metal tube or barrel)
guma preparation (usually made of sweetened chicle) for chewing
ginstrong liquor flavored with juniper berries
riggear (including necessary machinery) for a particular enterprise
mugthe quantity that can be held in a mug
rumliquor distilled from fermented molasses
rugfloor covering consisting of a piece of thick heavy fabric (usually with nap or pile)
rimthe shape of a raised edge of a more or less circular object
urna large vase that usually has a pedestal or feet
rin
nimgame in which matchsticks are arranged in rows and players alternately remove one or more of them; in some versions the object is to take the last remaining matchstick on the table and in other versions the object is to avoid taking the last remaining matchstick on the table
mun
mir
mig
gnularge African antelope having a head with horns like an ox and a long tufted tail

ina unit of length equal to one twelfth of a foot
um
midestruction of heart tissue resulting from obstruction of the blood supply to the heart muscle
unan organization of independent states formed in 1945 to promote international peace and security
muthe 12th letter of the Greek alphabet
nuthe 13th letter of the Greek alphabet

MURING