“CURRING” is a valid word. — 10 points Scrabble

curingthe process of becoming hard or solid by cooling or drying or crystallization

incurmake oneself subject to; bring upon oneself; become liable to
runicrelating to or consisting of runes
ruingfeel remorse for; feel sorry for; be contrite about
cuingassist (somebody acting or reciting) by suggesting the next words of something forgotten or imperfectly learned
unrig

ringa characteristic sound
ruinan irrecoverable state of devastation and destruction
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
uricin or relating to or obtained from urine
curr
curn
girn
unci(biology) any hook-shaped process or part

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)
ginstrong liquor flavored with juniper berries
riggear (including necessary machinery) for a particular enterprise
rugfloor covering consisting of a piece of thick heavy fabric (usually with nap or pile)
urna large vase that usually has a pedestal or feet
rin
curan inferior dog or one of mixed breed
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
unan organization of independent states formed in 1945 to promote international peace and security
nuthe 13th letter of the Greek alphabet

CURRING